《不定式的基本概念》练习
不定式分解讲义及相关习题

不定式分解讲义及相关习题不定式作名词非谓语:三种形式1.不定式2.动名词3.分词不定式中的to与介词to区别开来,叫它小品词,它只是一个符号,没有词性,但动词不定式有时也不带to.不定式的否定式注意不定式与原形和现在式的区别(以be, have, go为例)六种用法:动词不定式是非谓语动词中使用最广泛的一种,在句子中,它除了不能作谓语外,可以担当其它任何成分:主语、宾语、表语、状语、定语和宾语补足语。
在句子中起名词、形容词和副词的作用。
不定式作主语的三种情况1.不定式作主语:To see is to believe. 百闻不如一见。
To obey the laws is important. 遵守法律是非常重要的。
To finish so much homework in a day is impossible. 在一天之内完成这么多家庭作业时不可能的。
当作主语的不定式短语(即不定式带有自己的宾语、状语或逻辑上的主语)较长时,常用it 作形式主语而将真正的主语(不定式短语)放在谓语之后,例如:To obey the laws is important.→ It is important to obey the laws.To finish so much homework in a day is impossible.→ It is impossible to finish so much homework in a day.注意:当不定式作主语的句子中又再有一个不定式作表语时,不能用It is…to…的句型。
To see is to believe. 不能改成It is to believe to see. (X)常见带形式主语it 的句型归纳:句型一:It is easy (difficult, hard, important, right, wrong, possible, impossible, necessary, unnecessary, foolish, wise, kind, cruel, nice…) to do…句型二:It is a pleasure (pity, pleasant thing, crime, an honour…) to do sth.句型三:It takes (sb.) some time to do sth. 花了某人一些时间去做某事在句型一中我们常用for sb. 或of sb. 来作不定式的逻辑上的主语。
(完整版)初二英语语法不定式详解及习题

初二英法:不定式解及一..不定式的构成: to+ 原形二不定式的特点:不定式不能够独作,没有人称和数的化,不定式具有名,形容,和副的特点,能够在句子中作主,表,。
足,定,和状。
将用法以下。
〔一〕、不定式作主不定式作主,能够直接放在前面的主地址,也能够用先行it 作形式主,而将真正的主 (不定式 )置于后边。
常的句式有:(1)It is +形容 (of sb)to do sth.(2)It is +名 (for sb)to do sth(3)It takes sb some time to do sth(4)It is +形容 (for sb)to do sth. 句式注意:当不定式作主的句子中又有一个不定式作表,不能够用It is⋯ to ⋯的句型( )To see is to believe.百不如一。
( )It is to believe to see.It's for sb. 和 It's of sb.1) for sb. 常用于表示事物的特点特点,表示客形式的形容,如impossible 等:It's very hard for him to study two languages.他来学两外是很的。
2) of sb 的句型一般用表示人物的性格,道德,表示主感情或度的形容,right 。
easy, hard, d ifficult,interesting,如 good, kind, nice, clever, foolish,It's very nice of you to help me.你来帮助我,你真是太好了。
〔二〕、不定式作1.He wants to buy some vegetables.2.Don't forget to bringyour homework with you when you come to school.3.He found it very difficult ______.常接不定式作的;want , like, agree, hope , wish , learn , begin , start , seem, decide ,hate, choose, forget , remember等后边,能够接不定式作。
动词不定式习题及答案

动词不定式习题及答案动词不定式习题及答案动词不定式是英语语法中的一个重要概念。
在句子中,动词不定式通常作为动词的补语、宾语或状语。
掌握动词不定式的用法和构造对于学习英语语法和提高语言表达能力至关重要。
下面将为大家提供一些动词不定式的习题及答案,希望能够帮助大家更好地理解和运用动词不定式。
习题一:根据句子意思,填入适当的动词不定式形式。
1. I hope _______ (find) a good job after graduation.2. She decided _______ (travel) around the world next year.3. They want _______ (learn) how to play the piano.4. He needs _______ (study) harder to pass the exam.5. We plan _______ (have) a party on Saturday.答案:1. to find2. to travel3. to learn4. to study5. to have习题二:改写下列句子,使用动词不定式作为宾语。
1. I want to eat pizza for dinner.2. She likes to play basketball in her free time.3. They need to buy some groceries at the supermarket.4. He loves to watch movies on weekends.5. We enjoy swimming in the ocean during summer vacation.答案:1. I want to have pizza for dinner.2. She likes playing basketball in her free time.3. They need to go to the supermarket to buy some groceries.4. He loves watching movies on weekends.5. We enjoy swimming in the ocean during summer vacation.习题三:根据句子意思,选择适当的动词不定式形式。
初中不定式练习题

初中不定式练习题初中不定式练习题初中阶段是学生打下语言基础的重要时期,而不定式作为英语语法中的一部分,也是初中英语学习中的重点内容之一。
通过练习不定式,学生可以提高对语法的理解和运用能力,为日后的英语学习打下坚实的基础。
一、不定式的基本形式不定式是动词的一种形式,通常由“to”加上动词原形构成。
例如,“to go”、“to eat”等。
不定式在句子中可以作为主语、宾语、表语、定语等。
练习题1:将下列句子中的动词改写成不定式形式。
1. She wants to buy a new dress.2. They need to finish their homework.3. He likes to play basketball.4. I hope to see you soon.5. We plan to visit the museum tomorrow.二、不定式作主语不定式作主语时,常常用于表达一种普遍的真理、习惯或者目标。
练习题2:将下列句子中的划线部分改写成不定式作主语的形式。
1. It is important to exercise regularly.2. To learn a foreign language requires time and effort.3. To save money is a good habit.4. It is necessary to study hard for the exam.5. To be healthy is everyone's wish.三、不定式作宾语不定式作宾语时,常常用于表示意愿、打算、能力、喜好等。
练习题3:将下列句子中的划线部分改写成不定式作宾语的形式。
1. She wants to become a doctor in the future.2. They decided to go on a trip during the summer vacation.3. I can't wait to meet my friends at the party.4. He hopes to pass the driving test next month.5. We would like to visit the famous tourist attractions.四、不定式作表语不定式作表语时,常常用于表示主语的特点、能力、目标等。
动词不定式用法全解(含测试题及答案)

动词不定式用法全解英语动词的非谓语形式为三种:动词不定式、动名词和分词。
非谓语动词没有人称和数的变化。
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。
动词不定式的形式:第一部分动词不定式的时态一、动词不定式的时态:动词不定式不能在句中作谓语,尽管它本身有时态的变化,但是却不能靠自身的变化形式表示动作发生的具体时间。
动词不定式发生的时间,一般只能根据谓语动词的时间,产生相对的先后时间关系。
1.不定式的一般式,表示不定式的动作与谓语动词动作几乎同时发生,或在谓语动作之后发生,或者不强调不定式动作的时间性。
但不定式表原因时,往往先于谓语动作之前发生。
如:The news will not fail to surprise him.这个消息将不会不使他大吃一惊的。
(不定式动作在将来和谓语动作同时发生)I helped to repair the car.我帮助修理汽车。
(不定式动作在过去与谓语动作同时发生)He didn't know where to go.他不知道该去哪儿。
(不定式稍晚于谓语动作)Tell your brother not to come tomorrow.告诉你哥哥明天不要来。
(不定式晚于谓语动作)判断:He decided to sell his car.I tried to go to school in time.I hope to see you soon不定式表示谓语动作的原因时,往往发生在谓语动作之前。
如:I am very happy to see you here.She seemed surprised to meet us.(先是遇见我们,她然后很吃惊)2.不定式的完成式,通常表示动作发生在谓语动词之前。
不定式的练习题

不定式的练习题不定式是英语中的一种非谓语动词形式,由"to"加上动词原形构成。
它可以用作名词、形容词或副词,并且在句子中有着重要的语法功能。
本文将提供一些不定式的练习题,旨在帮助读者加深对不定式的理解和运用。
练习题一:选择最佳答案请选择合适的不定式填入括号中。
1. She decided ________ her job and start her own business.a) quit b) quitting c) to quit d) quits2. I enjoy ________ books in my free time.a) read b) reading c) to read d) reads3. Please remember ________ the door when you leave.a) lock b) locking c) to lock d) locks4. He promised ________ me a birthday present.a) buy b) buying c) to buy d) buys5. My brother wants ________ in a foreign country after graduation.a) work b) working c) to work d) works练习题二:根据提示完成句子根据括号内的提示,使用不定式的适当形式完成句子。
1. I have some books ________ (return) to the library tomorrow.2. The children are too young ________ (go) to school.3. It's important for us ________ (save) water in our daily lives.4. She made a plan ________ (visit) her grandparents next month.5. I can't afford ________ (buy) a new car at the moment.练习题三:改写句子根据括号内的要求,改写下列句子,每空一词。
动词不定式和动名词讲解及实战练习(含答案)

动词不定式和动名词讲解及实战练习(含答案)一、动词不定式1、动词不定式的形式动词不定式一般由“不定式符号to+动词原形”构成,有的不定式可省略to。
不定式的否定形式是“not to (do)”He asked me to play chess with him。
他让我和他一起下国际象棋。
(带1o)1 saw a boy go across the road just now。
我看见有个男孩刚才过了马路。
(不带to)The teacher told me not to be late again. 老师告诉我不要再迟到。
(否定形式动词不定式的用法2、动词不定式的用法动词不定式在句子中不能作谓语,但可以用作主语、宾语、表语,定语、状语、宾语补足语和同位语。
虽不作谓语,但它可以有自己的宾语或状语。
(1)不定式作宾语①不定式作宾语的情况比较多,经常接不定式作宾语(即动词+ to do sth。
结构)的动词有:begin(开始),care(愿意),ask(要求),hope(希望),learn(学会),expect(期望),want(想要),wish(希望),forget(忘记),like(喜欢),decide(决定),try(尝试),continue(继续),prefer(比较喜欢),pretend(假装)等。
如I hope to see the famous scientist。
( to see作hope的宾语)我希望看见那位著名的科学家。
②不定式作某些形容词的宾语。
例:ready(准备好),anxious(急于),able(能够),sure(一定),glad(高兴),sorry(难过),afraid(害怕),pleased(高兴),willing(愿意)等。
如I’m glad to meet you。
( to meet作glad的宾语)见到你很高兴。
③不定式和疑问词连用作宾语。
如:when to do(什么时候做);how to do(怎样做);what to do(做什么);why to do(为什么做);which to do(做哪一个)等。
动词不定式练习题

动词不定式练习题动词不定式(infinitive)是一种非谓语动词形式,由“to + 动词原形”构成。
它可以在句子中充当名词、形容词或副词,并起到一系列重要的语法作用。
为了帮助大家更好地掌握动词不定式的用法,本文将提供一些练习题,帮助读者更好地掌握动词不定式的运用。
练习一:选择正确的动词不定式形式。
1. She asked me _________ her the book.a) to give b) give c) giving d) gave2. I hope _________ to the party tonight.a) to go b) go c) going d) went3. They decided _________ their holiday in Spain.a) to spend b) spend c) spending d) spent4. He wants _________ a new car.a) to buy b) buy c) buying d) bought5. We need _________ the project by tomorrow.a) to finish b) finish c) finishing d) finished练习二:使用适当的动词不定式形式,补全下列句子。
1. He promised ___________ his best to help us.2. It's time for us ___________ action.3. She can't afford ___________ a new phone right now.4. I enjoy ___________ books in my free time.5. He told me ___________ up early the next day.练习三:根据句意,选择适当的动词不定式形式。
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Module 5 Unit 1 Grammar第一讲不定式的概念与基本功能Learning goals:1. To get a general understanding of v-to do.2. To learn how to use v-to do in different situations.一、不定式的概念理解1.朗读下列句子,理解句中不定式的作用。
(1) To find a good friend is difficult.(2) I plan to play football tomorrow.(3) My teacher asks us to read English aloud every morning.(4) I have much homework to do for today, I decide not to play after class.(5) I am glad to meet you.2. 不定式是一种非谓语动词的形式;句中不能单独作谓语,但仍保留动词的特点,可以有自己的宾语和状语,不定式及其宾语或状语构成不定式短语。
二、不定式的基本功能不定式的作用相当于名词、形容词和副词。
不定式不能作谓语动词,在句中起名词、形容词和副词的作用。
可以充当主语、宾语、表语、定语、宾语补足语和状语。
(一) 在句子中充当主语.1.朗读下列句子,理解句中不定式的作用。
(1) To learn English well is important.(2) To study hard is our duty.2. 你能用另外一种形式来表达吗?3. 常见的用it作形式主语的句型你知道吗?(1) 句型1: It +be+adj.+ for sb. to doIt is important for us to learn English well.◆请模仿句型自己造句.◆通常使用表示客观情况的形容词:difficult, hard, important, (im)possible, interesting, (un) necessary, good等。
◆翻译下列句子。
①多做练习对我们很有帮助。
_____________________________________________________②完成这项任务对他来说有点难度。
___________________________________________________③参加明天的演讲对你来说非常有必要。
_______________________________________________(2) 句型2:It +be+adj.+ of sb. to do通常使用表示人的品行的形容词,如: kind, good, nice, wrong, careless ,wise(unwise), foolish, polite (impolite), clever, right, stupid, etc.请用该句型造句____________________________________________________________________ ◆翻译下列句子。
①他这样说是不礼貌的。
_____________________________________________________②你帮助我真是太好了。
_____________________________________________________(3) 句型3: It + be + n.( a pleasure, a pity, an honor…) + to do…It was a pleasure to work with you in the countryside.◆翻译下列句子。
①跟你聊天是件很快乐的事。
_____________________________________________________②能听你的课是我的荣幸。
_____________________________________________________③It is a pity to give up the competition. _____________________________________________④It is my duty to help you with your study. ___________________________________________(4) 句型4:it+ takes+ (sb.) +n.+to do①It takes me two hours to finish my homework.②It took courage to tell the truth.③It cost him 100 yuan to take the coat.(二)在句子中充当宾语.1. 用括号中动词的适当形式填空。
(1) We agreed ___________ (meet) here,but now she hasn’t come yet.(2) Nobody noticed the thief into the house because the lights happened ________(go out ).2. 翻译下列句子。
(1) 我期望明天能看到你。
_____________________________________________________(2) 她决定努力学习。
_________________________________________________________(3) 他拒绝参加这个晚会。
_____________________________________________________(4) 他假装不认识我。
_____________________________________________________◆总结常见的接不定式的动词:agree, choose, decide, fail, happen, hope, manage, offer, plan,pretend, refuse, afford, promise, expect , want, learn◆用形式宾语it 代替不定式的结构主语+v.+it+宾语补足语+to do (find, make, think believe, know, consider, regard, feel)I find it important to get along well with others.◆翻译下列句子。
(1) 我认为记住单词是很重要的。
____________________________________________________(2) 我发现在周一之前完成这项工作是不可能的。
_________________________________________________________________________________ (三) 在句子中充当作宾语补足语1.朗读下列句子,理解句中不定式的作用。
(1)The teacher advised us to learn through experiment.(2) Mr. John often encourages us to be confident.(3) He requires us to take notes in class.可接动词不定式做宾语的补足语常用动词有:advise, encourage, require, invite, expect, order, persuade, tell, want, wish, warn, force, forbid, allow, ask, get, intend, prefer, etc.2. 请你用上面的动词结构造句.(1) 他要求我们五点之前到达火车站。
_________________________________________________(2) 我希望你能帮助我学习英语。
____________________________________________________(3) 我爸爸建议我多参加体育锻炼。
___________________________________________________(4) 老师经常鼓励我们保持乐观,要看到事情好的一面。
_______________________________________________________________________________ 3. 理解不定式充当宾补的特殊结构。
(1) I saw Li Lei fall off his bike.(2) I heard her sing in the next room.(3) The boss made the workers work over ten hours a day in the past.◆常用的动词包括:feel, listen to, hear, make, let , have see, watch, look at ,observe, notice,用动词的适当形式填空(1) She is often heard _______________( sing) in the next room.(2) Li Lei was seen ________________(fall down )from his bike.(3) The workers were made _______________(work ) over ten hours a day in the past.(4) The boy was made __________________(clean ) the classroom for being late for class(四)在句子中充当作定语.1. 被修饰的名词或代词与作定语的不定式之间存在着逻辑上的主谓关系。
如:(1) He is not a man to give up before difficulties.(2) He was always the first to come and the last to leave the office.(3) She has a brother to help her.[ 即时练习] 用动词的适当形式填空.(1) The next train ________________(arrive) was from New York..(2) Do you know the teacher _______________(give) us a lecture tomorrow ?(3) Will you attend the singing competition _____________(hold) next month?(4) The meeting __________________(take place) here tomorrow is going to discuss the problem of pollution.2. 被修饰的名词或代词与作定语的不定式之间存在着逻辑上的动宾关系。