动词不定式专项练习60题(附答案)
动词不定式专项练习60题（附答案）
1. This company was the first ____ portable radios as well as cassette tape recorders in the world.
A. producing
B. to produce
C. having produced
D. produced
2. The purpose of new technology is to make life easier, ____it more difficult.
A .not making B. not make C .not to make D. nor to make
3. Helen had to shout ______above the sound of the music .
A .making herself hear B. to make herself hear
C. making herself heard D .to make herself heard
4. I don’t know whether you h appen_______ ,but I am going to study in the U.S.A this September.
A .to be heard. B. to be bearing C .to hear D .to have heard
5. The news reporters hurried to the airport, only ______the film stars had left.
A .to tell
B .to be told
C .telling
D .told
6. You were silly not _______your car.
A. to lock
B. to have locked
C. locking
D. having locked
7. The teacher asked us ______so much noise.
A .don’t make B. not make C. not making D .not to make
8. An army spokesman stressed that all the soldiers had been ordered _____clear warnings before firing any shots.
A .to issue B. being issued C. to have issued D. to be issued
9. I’d rather have a room of my own, however small it is, than_______ a room with someone else.
A. to share
B. to have shared
C. share
D. sharing
10. The bank is reported in the local newspaper_________ in broad daylight yesterday.
A. robbed
B. to have been robbed
C. being robbed
D. having been robbed
11. A number of paintings in the castle are believed ________in a fire.
A. being destroyed
B. having been destroyed
C. to be destroyed
D. to have been destroyed
12. The meeting _______ next week is sure to be a great success.
A. to take place
B. to be taken place
C. to have taken place
D. being taken place
13. As a result of my laziness, I failed ________ my work in time.
A. and finished
B. to finish
C. and finishing
D. to finished
14. I am sorry ______ written you a letter at the time.
A. to have not
B. to not have
C. not to have
D. not having
15. Will you lend him a magazine _________?
A. to be read
B. for reading
C. to read
D. he read
16. He could do nothing but _______for the bus _________.
A. wait, to come
B. wait; come
C. waiting; coming
D. waited; came
17 .It is a problem that doesn't need ________ right now.
A. to solve
B. solving
C. being solved
D. to be solving
18. There’s a man at the reception desk who seems very angry and I think he means _______ trouble.
A. making
B. to make
C. to have made
D. having made
19. I remember _______him _______the bike needed __________.
A. hearing, saying, to repair
B. to hear, say, to repair
C. hearing, say, repairing
D. to hear, saying, to be repaired
20. --- You should have thanked her before you left.
--- I meant _________, but when I was leaving I couldn’t find her anywhere.
A. to do
B. to
C. doing
D. doing so
21. Robert is said to __________ abroad, but I don’t know what country he studied in.
A. to have studied
B. to study B. to be studying D. to have been studying
22. I’m gong to Xi’an next week. Have you anything __________ to your parents?
A. to take
B. to be taken
C. to be bought to
D. to buy
23. when are they __________ in their plan?
A. hand
B. handed
C. to hand
D. give
24. In such dry weather, the flowers will have to be watered if they _____________.
A. have survived
B. are to survive
C. would survived
D. will survive
25. When we hurried to the station, there happened ________ no bus at that time.
A. to have
B. to be
C. having
D. being
26. I lost my way in complete darkness and, _________ matters worse, it began to rain.
A. made
B. having made
C. making
D. to make
27. At ________ time does the salesgirl get up late in the morning, though she is always too busy
_________ a good rest.
A. no, to take
B. no, taking
C. any, to take
D. one, taking
28. --Are you a student?
--No, but I used _________.
A. to be
B. to was
C. to do
D. to be a
29. I stopped to listen, and my son seemed _________ himself _________ in the living room.
A. to enjoy, to shut
B. to be enjoying, shutting
C. to be enjoying, shut
D. to have enjoyed, having shut
30. With a lot of difficult problems _________, the newly-elected president is having a hard time.
A. settled
B. settling
C. to settle
D. being settled
31. We’re leaving at six o’clock, and hope _________ most of the journey by lunch time.
A. to do
B. to have done
C. to make
D. to have made
32. The study of the wild world may help to make the world easier _________.
A. understood
B. to be understood
C. to understand
D. understand
33. Who will you get __________ the project for us?
A. design
B. to design
C. designed
D. designing
34. It is said in Australia there is more land than the government know __________.
A. it what to do with
B. what to do it with
C. what to do with it
D. to do what with it
35. We are not allowed __________ outdoors with some other children.
A. playing
B. to be playing
C. to play
D. be playing
36. Allen had to call a taxi because the box was _________ to carry all the way home.
A. much too heavy
B. too much heavy
C. heavy too much
D. too heavy much
37. She feels so strongly that each of us should have a role __________in making the earth a better
place to live in.
A. to have played
B. to play
C. to be played
D. to be playing
38. When I handed the report to John, he said that George was the person _________.
A. to send
B. for sending it
C. to send it to
D. for sending it to
39. Do let your mother know all the truth, she appears _________ everything.
A. to tell
B. to be told
C. to be telling
D. to have been told
40. There are five pairs ___________, but I’m at a loss which to buy.
A. to be chosen
B. to choose from
C. to choose
D. for choosing
41. The problem is _________ difficult for us __________.
A. so; work out
B. very too; to be worked out
C. rather too, to work out
D. quite too, to work it out
42. ---Where should I _________ my application?
---The personnel office is the place __________.
A. send; to send it
B. send for; to send it to
C. send for; for sending it
D. send; to send it to
43. I’ve worked with children before, so I know what ___________ in my new job.
A. expected
B. to expect
C. expects
D. to be expecting
44. I feel it is your husband who ___________ for the spoiled child.
A. is to blame
B. is going to blame
C. is to be blamed
D. should blame
45. Can you imagine the questions I had __________ our teacher?
A. asked
B. to ask
C. asking
D. ask
46. Who did you _________ the wall yesterday?
A. have painted
B. have paint
C. have to paint
D. have painting
47. ---What’s the matter with John?
---He didn’t pass the test but he still ___________.
A. hopes so
B. hopes to
C. hope it
D. hope that
48. Much attention should be paid ____________ people’s living conditions.
A. in improving
B. to improve
C. improving
D. to improving
49. ___________ that evening was due to his ill health.
A. He failed to come
B. That he failed to coming
C. His failure to come
D. His failure in coming
50. I would love _______ to the party last night but I had to work extra hours to finish a report.
A. to go
B. to have gone
C. going
D. having gone
51. My family considers ________ a computer, which is considered ________ a great help in our work and study.
A. to buy; to be
B. buying; being
C. to buy; being
D. buying; to be
52. With the plane _________ in ten minutes, all the passengers on board were asked to turn off their mobile phones.
A. taken off
B. taking off
C. to take off
D. would take off
53. Thank you for all the troubl e you’ve taken _________ me.
A. to help
B. with to help
C. in helping
D. of helping
54. He is believed ________ the college exam, for he is now studying very hard now.
A. to pass
B. to have passed
C. pass
D. that he can pass
55.--- Will you have anybody _________ the flowers?
---- Yes, I’ll have the flowers _________.
A. plant, planted
B. to plant, planted
C. plant; to be planted
D. to plant , plant
56. They are looking forward with hope________ from you soon.
A. to hearing
B. of hearing
C. hearing
D. to hear
57. Busy translating a book, he couldn’t help _________ the article.
A. write
B. writing
C. wrote
D. written
58. Zhou Lan doesn’t have to be made__________. She always studies very hard.
A. learn
B. to learn
C. learning
D. learned
59. ________this cake, you’ll need 2 eggs, 175 g sugar, and 175 g flour.
A. Having made, B, Make C. To make D. Making
60. I feel it an honour _________ to speak here.
A. to be asked
B. to ask
C. having asked
D. asked
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动词不定式的语法功能
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动词不定式专项练习
动词不定式专项练习 （一）选择 1. The policeman told the little boy _____ football in the street. It’s dangerous. A. not play B. not playing C. not to play D. to play 2. Martin looks so well. We’ve never seen him ______ so well before. A. is looked B. is looking C. to look D. look 3. They preferred ______ in bed rather than ___ horses. A. to lie; to ride B. lying; riding C. to lie; ride D. lying; ride 4. —What do you think of tomorrow’s football match? — ______difficult for us ______ the match. A. We’re; to win B. We’re; winning C. It’s; to win D. It’s; winning 5. — Hi, Peter. Why are you in such a hurry? — ______the 7:30 train. A. Catch B. To catch C. Catching D. Caught 6. Don’t forget _________ the letter. A. to send B. send C. sending D. being sent 7. The chair looks very old, but in fact it is very comfortable to _________. A. sit B. sit on C. be sat D. be sat on 8. Is ______ necessary to return the book tomorrow? A. this B. that C. it D. which 9. I’m afraid they would not allow him ________ here. A. to smoke B. smoking C. smokes D. smoke 10. Mother told me ________ the water before I drank it. A. boiling B. boiled C. boil D. to boil 11. On my way home, I stopped _______ some food. A. buy B. to buy C. buying D. bought 12. John was made _______ the car for a week as a punishment. A. to wash B. washing C. wash D. to be washing
高中动词不定式用法讲解及练习电子教案
高中动词不定式用法讲解及练习
Grammar Presentation---动词不定式 一、不定式的句法功能 ●不定式作主语 ?To learn a foreign language is not easy.学习外语不是一件容易的事。 ◎不定式短语作主语时，常用it作形式主语来代替它的位置，而将真正的主语（不定式短语）移到谓语之后 ?It’s a great honor to be invited to Mary’s birthday party.很荣幸被邀请参加玛丽的生日聚会。 ●不定式作宾语 ◎作动词宾语 ◇下列动词常接不定式作宾语，如：agree, arrange, ask, beg, choose, dare, decide, demand,expect, fail, fear, hope, manage, offer, plan, prepare, pretend, promise, ?They hope to find new resources for mankind.他们希望为人类找到新资源。 ◇如果不定式作宾语且有自己的补语，常用“it”作形式宾语，而把真正的宾语放在后面。 下列动词常用it作形式宾语，如：believe, consider, feel, find, know, make ?I know it impossible to finish so much homework in one day. 我知道在一天中完成这么多的作业是不可能的。 ●不定式作表语 ◎不定式作表语时，一般紧跟在系动词后，说明主语的内容 ?The first step is to check the victim’s breathing.
初中动词不定式专题讲解及练习(全面)
语法：动词不定式 动词不定动式是一种非谓语动词形式，它没有人称和数的变化，在句子中不能作谓语，但可以作除谓语之外的其它任何句子成分（主语、表语、宾语、宾语补足语、定语和状语）；动词不定式具有名词、形容词和副词的特征，同时还保持动词的某些特点，既可以有自己的宾语和状语，动词不定式和它的宾语和状语构成不定式短语。 一、构成：to do .否定式not to do 二、常见时态：一般时to do 进行时to be doing 完成式to have done 完成进行式to have been doing 三、动词不定式在句子中的成分 1、作句子的主语:现实中常用it作形式主语，而把真正的主语动词不定式（或短语）后 置。 比较下列句子 To lear n from your frie nds is importa nt.=lt is importa nt to lear n from your frie nds . ______ To leave without say ing goodbye is impolite.= It is impolite to leave without saying ________ goodbye. To chat with Miss White is a pleasa nt thi ng.=lt is a pleasa nt thi ng to chat with Miss ______ White. To walk to school takes me ten minu tes.=lt takes me ten minu tes to walk to school. _______ 句型总结 It is + adj. + of sb. to do sb：?i= are +adj. +to do 在以某些表示人的品质、特征等的形容词（如kind、good、nice、wrong、clever、right等）作表语时，不定式之前常加一个引起的短语，说明不定式指的是谁的情况（可以理解为某人的好，坏，聪明，愚蠢，对，错等等）。 It is very kind of you to help me. It ' s not polite of himto speak to old people like that. It is + adj. + for sb. to do …乞aisb+Odj. +to do 女:果要说明不定式表示的动作是谁做的，则在不定式前加一个for引起的短语，即不定式的逻辑主语。 It is n ecessary for us to study hard ___ It is easy for him to speak En glish. 动词不定式作主语练习 1. It's our duty the room every day. A. to clea n B. clea ned C. clea n D. cleans（甘肃省）
语法基础-动词不定式
【冲击2011年中考英语精品复习资料】语法基础-7 动词不定式是一种非谓语动词的形式 非谓语动词指的是在句中起名词，形容词或副词作用的动词形式，而不是作谓语的动词形式。动词的非谓语形式分为动名词，分词，动词不定式。 Climbing mountain is a good exercise. (Climbing..., 动名词起名词作用） 爬山是一项好运动。 Do you know the man wearing a white shirt. （wearing ... 分词起形容词作用） 你认识那个穿白衬衣的人吗？ He gets up early to catch the first bus. (to catch .... 不定式起副词作用） 他早早起床是为了赶上第一班汽车。 谓语动词和非谓语动词的区别：
1) 谓语动词在句中可单独作谓语，而非谓语动词不能单独作谓语。 Miss Mary teaches us English. 玛丽教我们英语。（teaches 动词作谓语） Mr.Victor came to our classroom to have a talk with us last week. 维克托先生上周来到了我们教室和我们谈话。（to have a talk.... 不定式作状语） 2) 谓语动词受主语的人称和数的限制，而非谓语动词形式没有这种限制。 Larke likes the pop music. 拉克喜欢流行音乐。（动词用单数第三人称形式） Larke has nothing to do today. 拉克今天没什么事要做。（do 用原形）
动词不定式专项讲解及训练(有答案)
动词不定式专项训练 A. to solve B. to be solve C. being solved D. solving A. for her to return B. that she must return C. her returning D. of him to return A. costs... to get B. costs... getting C. takes... to get D. takes... getting A. to explain B. to have been explained C. to be explained D. to be explaining A. to learn B. to be learning C. to have learned D. to have been learning Keys: 1-5 A A C C C
专项练习 1.The flu is believed_______ by viruses that like to reproduce in the cells inside the human nose and throat. A. causing B. being caused C. to be caused D. to have been caused 2.There is a new problem involved in the popularity of private cars road conditions need A. that. .. to be improved B. which ... to be improved C. where. . . to be improving D. when.. . improving 3.Remember_________the magazine when you have finished reading it. A. putting back B. having put back
语法精讲及练习动词不定式
语法精讲及练习| 动词不定式 今天我们学习动词不定式的相关内容，一起来看！ 小简老师已为大家备好电子打印版，文末附电子打印版免费领取方式，想要获取电子打印版请拉到文末。 1 概念引入 1. 动词不定式名言：（1）动词不定式作表语To lose is to learn. 失败就是学习。（2）动词不定式作主语It is better to give than to take. 给予比接受更好。（3）不定式作宾语Expect to be treated as you have treated others.你怎样待别人，就指望别人怎样待你。（4）不定式作宾补Adversity causes some men to break，others to break records.逆境使一些人崩溃，也使一些人破记录。（5）不定式作定语There is a time to talk and a time to act.该说的时候说，该做的时候做。（6）不定式作目的状语To find the exact answer，one must first ask the exact question.要找到确切的答案，首先必须提出确切的问题。 2. 动词不定式定义：动词不定式是一种非谓语形式（不能作谓语），基本形式是to do形式(to是不定式符号的标志，无意义，可以不翻译)肯定式：to + 动词原形否定式：not to + 动词原形 2 用法讲解 1.动词不定式的特征动词不定动式是一种非谓语动词形式，它没有人称和数的变化，在句子中不能作谓语，但可以作除谓语之外的其它任何句子成分（主语、表语、宾语、宾语补足语、定语和状语）；动词不定式具有名词、形容词和副词的特征，同时还保持动词的某些特点，既可以有自己的宾语和状语，动词不定式和它的宾语和状语构成不定式短语。 2. 动词不定式在句子中的作用动词不定式是由to+动词原形构成，在句中起名词，形容词和副词的作用，可以担任除谓语以外的其它任何成分。（1）动词不定式作主语。例如：To master a language is not an easy thing.掌握一门语言不是一件
动词不定式的精讲与专项练习
动词不定式（The Infinitive） 一、概述 不定式是动词的一种非谓语形式，在句中不能单独作谓语。它有两种形式：（1）带to的不定式；（2）不带to的不定式（即通常所说的动词原形），它可以和助动词或情态动词构成谓语。不定式既有动词性质，又有名词性质。 1）不等式具有动词性质，即它有时态和语态的变化；可有自己的宾语或状语并构成不等式短语。如： Would you like to tell me an interesting story? 你可不可以给我讲一个有趣的故事？（不等式to tell有自己的宾语me和story）He was too clever a man to be fooled.他这个人很机灵，不会被愚弄的。（不等式的被动语态） I’m going to go there by bike. 我想骑自行车去那儿。（不定式有状语there） They will set up more primary schools in the countryside. 他们将在乡村修建更多的小学。（不带to的不等式与助动词will一起构成谓语）但是，不等式没有人称和数的变化，即不受人称和单数、复数的限定或影响。 She likes to play the accordion. 她喜欢弹奏手风琴。 She liked to play the accordion when she was young. 她很小就喜欢弹奏手风琴。 2）不等式具有名词性质，即它在句中可用作主语、宾语、表语等。如： To see is to believe. 百闻不如一见。（作主语） This suit doesn’t seem to fit me.这件衣服似乎不适合我穿。（作表语） She wanted to see which shops offered the best service. 她想看看哪家商店提供最好的服务。（作宾语） There’s no need to be worried. 不需要担心。（作定语） He went there to see what would happen.他去那儿是想看看会出什么事。（作状语） 3）不等式虽然在语法上不能有主语，但它表示的动作，在意思上是可以有自己的主语，在语法上这个主语称为不等式的逻辑主语。这个逻辑主语可能是整个句子的主语、宾语等，也可以用一个由for引起的短语表示。如： His friends tried to encourage him. 他的朋友设法鼓励他。（不等式的逻辑主语His friends同时也是句子的主语） Every year, tobacco companies must persuade new people to start smoking cigarettes. 每年烟草公司要设法使一些比吸烟的人开始吸烟。（不等式的逻辑主语new people是句子的宾语）It’s very difficult for a foreigner to learn Chines e. 外国人学汉语是很不容易的。（不等式的逻辑主语由for引起的短语表示） 另外，不等式的否定形式一般在它的前面直接加not或never。 The teacher has told me many times not to come late again.老师多次告诉我不要再来晚了。 She seems not to have a bright time with her new friends.和新朋友在一起她似乎过得不是太好。 二、不定式的主要用法 动词不等式具有名词、形容词及副词的特征，因此在句中可作主语、宾语、宾语（或主语）补足语、表语、定语、及状语等。 1、不定式作主语 ①不等式作主语时，谓语动词用单数形式。 To conquer English is not easy. 征服英语不容易。 To make plan firs t is a good idea. 先制定计划是个好主意。 To know everything is to know nothing. 事事皆通，无一精通。 ②不等式作主语时，常常用形式主语it替代，而将真正的主语不等式放在句子的后面。 It is necessary to master a foreign language.掌握一门外语很有必要。 It’s a great pleasure to see you again.再次见到你真高兴。 It is a bad manner to stare at a foreign guest.盯着外宾看是一种不良的举动。 ③如果说明不等式表示的动作是谁做的，可以在不等式的前面加一个for引起的短语，这就是常见的“It is adj./n. for sb. to do sth.”句式。如： It is good manners for an Arab to stand close to his friends when they are talking. 对阿拉伯人来说，交谈时站得离朋友近些是好的礼貌。 It is a great honor for us to be presented at the party.我们能来参加晚会，深感荣幸。 It will be a regret for us not to help him. 我们没有帮助他是个遗憾。 ④在某些形容词（如kind, good, nice, wise, unwise, clever, silly, wrong, right, foolish, stupid, careless, considerate, rude, naughty, impolite等）作表语时，不等式前常加一个以of引起的短语，来说明不等式指的是谁的情况。这就是常见的 “It is adj. of sb to do sth.”句式。如：
动词不定式讲解
非谓语动词 一、英语句子需要遵循一个总原则：一个句子只能有一个动词。当一个句子必须要出现两个或两个以上的动词才能完整 表达一个意思时，为了不违法总原则，英语有四种处理方式： 1. 切分成两个或者多个句子 She is a girl. She likes English 2. 将一个谓语动词做主句，其余动词改成从句 She is the girl who likes singing. 3. 添加and, but, or, when, because, not only..but also, either..or 等连词变成并列结构 She got off the bus, but left her handbag on her seat. 4. 将其中一个动词变成非谓语动词形式 She got off the bus, leaving her handbag on her seat. 二、非谓语动词使用条件：一个句子当中，已经存在一个主句（谓语动词），又没有连词(and,but,or等)的情况下， 还有别的动词出现时，这时就要用非谓语动词 三、非谓语除了不能做谓语外，其他成分都可以做 不定式（to do） 四、非谓语动词三种形式分词现在分词（doing） 过去分词( done ) 动名词(doing) 五、非谓语动词解题技巧： 1. 判断是不是用非谓语动词（1.看有没有逗号 2.看有没有谓语 3.看有没有连词。要牢记英语中逗号不能连接两个 句子，一个句子如果没有连词只能有一个谓语） 2. 判断是主语和动词是主动还是被动关系 3. 判断时间, 确定非谓语动词和主句动词谁先发生，谁后发生 不定式的用法 不定式构成一般式完成式进行式 主动关系to do to have done to be doing 被动关系to be done to have been done 不定式动词和谓语动词发生的时间关系不定式的动作和谓语动作同时发生， 或发生谓语动作之后 he seems to know a lot 不定式的动作发生在谓语动 作之前 I regretted to have told you a lie. 不定式的动作和谓语 动作同时发生 I’m glad to be talking with you 不定式否定形式在to前加not. 即not to..... 不定式充当的成分主语，宾语，表语，定语，状语，宾补
动词不定式专项练习
动词不定式专项练习 根据句意及所给的汉语提示完成下列句子。 1．I've come____________________（借词典）． 2．I'm very sorry____________________（麻烦你）． 3．He is too frightened____________________（不能动）． 4．The teacher asked us____________________（用英语说它）． 5．I'd like____________________（吃苹果）． 6．The policeman told the boys____________________（别在公路上玩耍）．7．His uncle will teach him____________________（唱歌和跳舞）． 8．You'd better____________________（别在阳光下看书）． 9．We often watch them____________________（（踢足球）． 10．Let's____________________（去散步），shallwe？ 11．Later he left home____________________（找）that lost watch． 12．He found it very difficult____________________（入睡）． 13．Why not____________________（去划船）？ 14．She often helps her mother____________________（做家务）．15．When you leave the room，please don't forget____________________（关掉）the light． 动词不定式作坊答案： 1．to borrow the dictionary 2．to trouble you 3．to move 4．to say it in English 5．to eat apples 6．notto play on the road 7．to sing and dance 8．not read in the sun 9．play football 10．go for a walk 11．to look for 12．to get to sleep 13．go boating 14．（to）do the housework 15．to turn off
动词不定式讲解、专项练习及答案
初中英语语法（动词不定式） 1．不定式的基本形式与结构 动词不定式指通常由to加上动词原形(如to write) 所构成的一种非限定性动 词形式，但在有些情况下to可以省略。动词不定式有进行体和完成体(如上to be writing，to have written)，也有被动态(如to be written)，所有的主动词，不论是 及物动词还是不及物动词，也不论是动作动词还是状态动词，都有不定式形式。 助动词除be和have外，没有不定式形式。动词不定式在语法功能上可作主语、 宾语、表语、定语和状语。 2．不定式的用法 1)不定式结构作主语 1.Te get contact with his family in Taiwan made him extremely happy since they separated more than 40 years ago． 2.To finish that task in such a short time is really a challenge． 在上述情况下，如果不定式较长，显得头重脚轻，则可由代词让作形式主语(形式主语it不可由that或this等其他代词代替)，而将不定式放到后面。如： 1.It made him extremely happy to get contact with his family in Taiwan since they separated more than 40 years ago． 2.John admitted that it is always difficult for him to be on time． 不定式结构所表示的动作是谁做的，即不定式的逻辑主语，通常可以通过for sb. to do sth. 结构表达： 1.It is quite important for us to read good books during a general review． 2.It is not difficult fot those talented students to pass the exam. 在某些形容词(如careless，clever，considerate，foolish，good，impolite，kind，naughty，nice，silly，stupid等)作表语时，不定式后可以加of来引导出其逻辑主语： 1.It is very kind of you to tell me the truth． 2.It is stupid of him to do such a silly thing． 2)不定式作宾语 不定式作宾语有两种：一种是及物动词后直接跟带to的不定式，另一种是“及物动词+疑问词+带to的不定式。 及物动词+带to的不定式结构: 只能跟动词不定式的动词，常见的有: afford，agree，aim，appear，ask，believe，care，claim，decide demand，desire，determine，expect，fail，happen，hesitate，hope，intend，learn，long，manage，offer，pretend，promise，prepare，refuse，seek，swear，undertake，want，wish等。 1.He managed to solve the complicated problem. 2.The stranger offered to show me the way. 3.Mr. Smith undertook to build a new plant in South Africa. 动词+疑问代(副)词+不定式： 这类动词常见的有advise，decide，find out，forget，inquire，know，learn，
(完整版)语法精讲：be+动词不定式(用法9种)
be+不定式动词 be+不定式动词”在不同情况下，可以表示很多种不同的语义。下面便是其中九种： 一、表示坚决的命令。例如： 1. This naughty boy is to stay here until the class is over. 2. No one is to enter this building without the permission of the security guard. 二、表示计划”或安排的事项”例如： 3. Betty is to be married soon. 4. An in sura nee age nt is to meet us this after noon. 三、表示可能性”例如： 5. Are you to pay the debt for your wife? 6. The lovely puppy is no where to be found. 四、表示意图”或打算”例如： 7. If you are to be there on time, you had better hurry. 8. If all of us are to rema in frie ndly, we must be sin cere with one ano ther. 五、表示应该”例如： 9. You have done so well. You are to be rewarded. 10. Such n asty questi ons are to be avoided. 六、表示不可避免”例如： 11. Anne was won deri ng what was to become of her boy frie nd. Tommy. 12. The murderer was senten ced to life impris onment and was n ever to see his family aga in. 七、表示假设”例如： 13. If I were to do it, I would do it well. 14. Even if you were to take a taxi now, you would not be able to arrive at your destination on time. 八、有期待将来”的含意。例如： 15. The actual usef uln ess of the n ewly inven ted equipme nt is still to be
英语语法专项：动词不定式用法归纳及练习答案
---------------------------------------------------------------最新资料推荐------------------------------------------------------ 英语语法专项：动词不定式用法归纳及练习答案 动词不定式用法归纳动词不定式没有人称和数的变化，在句中不能独立作谓语。 但动词不定式具有名词、形容词和副词特征，在句中可以作主语、宾语、宾语补足语、定语、表语和状语等多种成分。 另外，动词不定式具有动词特点，可以有自己的宾语和状语，组成动词不定式短语。 动词不定式的肯定形式是 to＋do；其否定形式是 not to＋do。 1．作主语可以直接作主语。 如： To see is to believe．但在英语中，常用 it 作形式主语，真正的主语即动词不定式放在后面。 如： It's wrong to play tricks on other people． It's our duty to keep our environment clean and tidy．（Lesson 10）．点击规律：动词不定式在句中作主语时，常放在 It is ＋adj．（形容词）＋to do sth．或 It is ＋ n．（名词）＋to do sth．句型中，it 仅作形式主语。 2．作宾语 a.以下动词只能 to do 作宾语。 attempt 企图 enable 能够 neglect 忽视 afford 负担得起demand 要求 long 渴望 arrange 安排 mean 意欲，打算 begin 开始 expect 期望 appear 似乎，显得 determine 决定 manage 设法 cease 停止 hate 憎恨，厌恶 pretend 假装 ask 问 need 需要 1/ 7
动词不定式用法讲解
动词不定式用法小结 动词不定式用法小结 动词不定式是一种非谓语动词形式，其结构为“to＋动词原形”，其中to不是介词，而是动词不定式的符号，称为小品词，动词不定式没有人称和数的变化。动词不定式和其后面的名词等构成不定式短语，在句子中可以用作主语、表语、宾语、补足语、定语、状语等。 一. 作主语例如： To be a doctor is hard. 做医生很难。 To learn English well is not easy. 学好英语不容易。 动词不定式（短语）作主语时，为了避免句子的头重脚轻，可以用“it”作形式主语，而把真正的主语－－动词不定式（短语）放在句子的后部。例如上面的句子可以表示为： It is hard to be a doctor. It is not easy to learn English well. 再如： It’s important to plant trees in spring. 如果动词不定式的动作是谁做的，可以在动词不定式前面加一个由介词for 引导的短语，称为不定式的复合结构。例： It’s good for us to read English aloud in the morning. 对我们来说每天早晨大声读英语是很有益的。 It is important for students to use English every day. 对学生来说每天使用英语是很重要的。 二. 作表语： 动词不定式（短语）作表语常用于系词be的后面。例： His work is to drive a car. 他的工作是开车。 My job is to feed animals. 我的工作是饲养动物。 Her ambition is to be a doctor. 她的理想是当医生。 三. 作宾语 动词不定式（短语）可以放在一些动词后面用作宾语，能以动词不定式作宾语的动词有：begin,start, want, forget, remember, show, learn, like, hate, love, ask等。例： I want to tell you a story. 我想给你讲个故事。 They begin to work at eight every morning. 他们每天早晨8点开始工作。 Don’t forget to lock the door. 别忘了锁门。 Would you like to go and have a picnic with us tomorrow? 明天和我们一起去野餐好吗？
动词不定式讲解
动词不定式的用法 概念： 动词不定式由to+动词原形构成。这里的to是不定式标志，没有词义。不定式具有名词、形容词或副词的某些语法功能，又有动词的时态和语态的特点及作用。可以做主语、宾语、宾语补足语、表语、定语、状语。 一、作主语 动词不定式作主语时，句子的谓语动词常用单数，其位置有以下两种： (1)把不定式置于句首。如： To get there by bike will take us half an hour. (2)用it作形式主语，把真正的主语不定式置于句后，常用于下列句式中。如： ①It＋be＋名词＋to do It's our duty to take good care of the old. ②It takes sb+some time+to do How long did it take you to finish the work ③It＋be＋形容词＋for sb＋to do It is difficult for us to finish writing the composition in a quarter of an hour. 在句型③中，常用表示客观情况的形容词，如： easy, difficult, hard, important, possible, impossible, comfortable, necessary, better; the first, the next, the last, the best, too much, too little, not enough ④It＋be＋形容词＋of sb＋to do It is stupid of you to write down everything the teacher says. 在句型④中，常用 careless,clever,good,foolish,honest,kind,lazy,nice,right,silly,stupid,wise rude, clever, foolish, thoughtful, thoughtless（欠考虑的；不考虑的）, brave, considerate(考虑周到的), selfish(自私的)等表示赞扬或批评的词。在不定式前的sb，可看作其逻辑主语。这一句式有时相当于Sb is＋形容词＋to do句式，如：It's kind of you to help me with my English.=You are kind to help me with my English. ⑤It seems(appears)＋形容词＋to do It seemed impossible to save money. It seemed selfish of him not to give them anything. 他不给他们任何东西，这显得太自私了。 注意：1) 其他系动词如，look，appear等也可用于此句型 2) 不定式作为句子主语时，动词用单数形式。 3) 当不定式作主语的句子中又有一个不定式作表语时，不能用It is… to…的句 型 对应性：To see is to believe. 百闻不如一见。 二、作宾语 1) 以下动词后，只能跟不定式作宾语 afford （付得起），agree（同意），aim(力求做到), appear（显得），arrange（安排），ask（要求），attempt （试图），care（想要），choose（决定），claim（声称），condescend （屈尊），consent（准许），decide（决定），demand（要求），determine（决心），endeavor （竭力），expect（期待），fail（未履行），help（帮助），hesitate（犹豫），hope（希望），learn（学会），manage（设法），neglect（疏忽），offer（主动提出），plan（计划），prepare （准备），pretend（假装），proceed（接着做），promise（答应），prove（证明），refuse （拒绝），resolve（解决），seem（觉得好像），swear（发誓），tend（往往会），threaten （威胁），undertake（承诺），volunteer（自愿做），vow（发誓），want（想要），wish（希