史上最完整 动词不定式的用法
动词不定式用法

动词不定式用法动词不定式是英语中的一种常见的动词形式,它被用来表示目的、意图、能力、愿望或建议等。
动词不定式通常由“to”和动词原形组成,如“to write”、“to read”、“to learn”等。
动词不定式在句子中可以作为主语、宾语、表语、定语或补语等。
一、作为主语动词不定式可以作为主语,通常用于形式主语的结构中,例如:To learn English is important for me.(学习英语对我来说很重要。
)To study hard is the key to success.(努力学习是成功的关键。
)To travel is my dream.(旅行是我的梦想。
)二、作为宾语1.作及物动词的宾语动词不定式可以作为及物动词的宾语,例如:I want to learn English.(我想学英语。
)She decided to go to Beijing.(她决定去北京。
)They plan to visit Paris next year.(他们计划明年去巴黎。
)2.作介词的宾语动词不定式可以作为介词的宾语,通常介词为“for”、“of”、“about”、“to”等,例如:She is good at singing and dancing.(她擅长唱歌和跳舞。
)3.作动词或动词词组的宾语动词不定式可以作为某些动词或动词词组的宾语,例如:He hopes to become a doctor in the future.(他希望将来成为一名医生。
)I expect to see you soon.(我期望很快能见到你。
)三、作为定语动词不定式可以作为定语,修饰一个名词或代词,例如:I need a book to read.(我需要一本书来读。
)This is a good place to live.(这是一个适合居住的好地方。
)He has a lot of work to do.(他有很多工作要做。
动词不定式的用法大全

动词不定式的用法大全动词不定式是英语中的一种非谓语动词形式,通常由“to”加上动词原形构成。
它有多种用法,包括以下几个方面:1. 表示目的或意图,动词不定式可以用来表示一个动作或状态发生的目的或意图。
例如,"She studies hard to pass the exam."(她努力学习是为了通过考试。
)。
2. 作为动词的宾语,动词不定式可以作为另一个动词的宾语。
例如,"I want to learn a new language."(我想学一门新语言。
)。
3. 作为形容词的补语,动词不定式可以作为形容词的补语,用来修饰名词或代词。
例如,"It's important to finish the work on time."(及时完成工作很重要。
)。
4. 作为状语,动词不定式可以用来修饰句子或句子中的动词,表示目的、原因、结果、条件等。
例如,"He works hard to support his family."(他努力工作是为了养家糊口。
)。
5. 与情态动词连用,动词不定式可以与情态动词连用,表示不同的情态含义,如推测、必要性、可能性等。
例如,"You should study harder to improve your grades."(你应该更努力学习来提高成绩。
)。
6. 作为主语,动词不定式有时可以作为句子的主语。
例如,"To travel around the world is my dream."(环游世界是我的梦想。
)。
总的来说,动词不定式在句子中具有多种用法,可以表示目的、作为宾语、形容词的补语、状语、与情态动词连用,甚至可以作为句子的主语。
掌握动词不定式的用法对于准确理解和运用英语语法至关重要。
希望这些信息能够帮助你更好地理解动词不定式的用法。
语法知识点梳理动词不定式的用法

语法知识点梳理动词不定式的用法动词不定式是英语语法中的一项重要知识点。
它是由动词原形加上"to"构成,常用作名词、形容词或副词的补充。
本文将对动词不定式的用法进行梳理,帮助读者更好地理解和运用。
一、动词不定式作主语动词不定式可以作为句子的主语。
例如:1. To learn a foreign language is beneficial to one's personal development.学习一门外语对个人发展有益。
2. To exercise regularly is important for maintaining good health.定期锻炼对保持健康很重要。
二、动词不定式作宾语1. 表示建议或命令动词不定式常用于表示建议、命令或请求的动词后。
例如:1. He advised me to take a vacation.他建议我去度假。
2. The teacher told the students to be quiet.老师告诉学生们安静。
2. 表示喜好或感知某些动词后面跟动词不定式,用来表示喜好、感知、感觉等。
例如:1. I enjoy playing the piano in my free time.我喜欢在闲暇时弹钢琴。
2. She saw him enter the room quietly.她看到他悄悄地进了房间。
三、动词不定式作宾语补足语某些动词需要与动词不定式连用,形成宾语补足语,用来补充说明或补充宾语的意义。
例如:1. I found it difficult to solve the math problem.我发现解决这个数学问题很困难。
2. He considers her to be the best candidate for the job.他认为她是这份工作的最佳候选人。
四、动词不定式作定语动词不定式可以用作名词的前置定语,用来修饰名词。
最全面英语动词不定式的用法归纳整理总结

动词不定式的归纳总结动词不定式是由“to+动词原形”构成的,否定形式为“not to+动词原形”构成的,这里的to没有词义,只是为了构成不定式的一种符号,是非谓语动词形式的一种,动词不定式在句中不能独立作谓语,除了不能作谓语以外,其他成分都可以作,因此,在句中可以作主语、表语、宾语、定语、状语和补足语。
❶ 动词不定式做主语:这种情况一般要改成it作形式主语的形式,后接不定式,为了避免头重脚轻。
●“It is+形容词+for sb.+to do sth.”意为“做某事对某人来说是…的”中句中的形容词多为描述性的词语,不对人或物的品格进行评价,如difficult, easy, hard, inportant, dangerous, inpossible等。
eg To learn English is very important for me 对我来说学英语很重要。
=It is very important for me to learn English.For you to make more friends is a good plan. 广交朋友是个好办法。
= It's a good plan for you to make more friends.●“It is+形容词+of sb.+to do sth.”意为"做某事对某人来说是…的”。
其中句中的形容词用于描述人的性格、品质, 如:kind, good, nice, right, wrong, clever, careless, polite, foolish 等。
eg It was stupid of him to press the emergency button. 他按了紧急按钮,这真愚蠢。
❷ 本单元我们主要学习动词不定式作宾语的用法:现就动词不定式作宾语的用法介绍如下:●谓语动词+动词不定式,此类动词很多,常见的有:want, like, wish, hate, prefer, hope, continue, manage, try, ask, offer(主动提出), start, forget, promise, mean, pretend(假装), intend(打算), begin, attempt(试图), decide, learn, desire (渴望), agree, care, choose, determine(查明), undertake(承担,承诺),expect 等eg Some students hate to study English. 有些学生不喜欢研读英语。
动词不定式用法讲解

动词不定式的用法讲解一、动词不定式:构成:to + 动词原形(to只是不定式符号,没有意义)动词不定式作主语较长时,常用it作形式主语,而将真正的主语放在句末。
1.It + is/was+形容词+(for sb.) +动词不定式To learn English well is useful. = It’s useful to learn English well.学好英语是有用的。
To protect environment is important for us.= It’s important for us to protect environment.对于我们来说保护环境是很重要的。
2. It is / was + kind / good/ nice/ clever + of sb. + 动词不定式It’s very kind of you to help me. 你帮助我真是太好啦。
It’s very clever of you to do like that. 你那样做真的太聪明啦。
3. It takes ( took , will take ) sb. some time to do something. (做某事花费某人…时间)4.It is a good idea to do sth.作宾语1.常见的跟不定式作宾语的动词有:want to do sth. decide to do sth.hope to do sth. plan to do sth.offer to do sth. agree to do sth.learn to do sth try to do sth prefer to do sth promise to do sth. need to do sth. expect to do sth. 2. 主语+ find / think + it +形容词+ (for sb.) + to doI find it easy to read English every day. 我发现每天读英语和容易的。
动词不定式的基本用法归纳

动词不定式的基本用法归纳动词不定式的基本用法归纳一、动词不定时的形式肯定式:肯定式:to do sth 否定式:否定式:not to do sth. 被动式:被动式:to be done 完成式:完成式:to have done二、动词不定式的用法1.作主语A. 动词不定式作主语,谓语动词用单数形式。
动词不定式作主语,谓语动词用单数形式。
如:(1)To see is to believe. (2)To master English gives us much help in the study of sience. B. 不定式或不定式短语作主语时,常用作形不定式或不定式短语作主语时,常用it作形式主语,构成“ 形容词(+for sb.)不定式” 不定式” 式主语,构成“It is + 形容词不定式结构。
结构。
It is impossible for him to give up smoking.2.作宾语A.动词后直接不定式作宾语的动词有许多,如 .动词后直接不定式作宾语的动词有许多,want, decide, intend, fail, wish, export, pretend, choose等等。
等等。
等等I mean to go there at once. B.不定式短语作宾语时,如果还带有宾语补足语,不定式短语作宾语时,如果还带有宾语补足语,不定式短语作宾语时往往把不定式短语放在宾补之后,而用it作形式往往把不定式短语放在宾补之后,而用作形式宾语。
句型为“主语+find(feel, think, believe, 宾语。
句型为“主语consider, etc) +it+形容词名词形容词/名词形容词名词+to do sth”。
I think it necessary to report the thing to the teacher. I find it interesting to work with him.C.动词不定式还可以用作介词宾语,但仅限于 .动词不定式还可以用作介词宾语,介词except和but(除了)。
史上最完整的动词不定式用法规律知识点总结

史上最完整的动词不定式用法规律知识点总结动词不定式是英语中的一种非谓语动词形式。
它可以充当名词、形容词或副词,具有广泛的用途和特定的语法规则。
本文将为您总结史上最完整的动词不定式用法规律知识点,帮助您更好地理解和运用这一语法结构。
一、动词不定式的基本结构动词不定式由“to + 动词原形”构成,例如:to study、to eat、to sleep 等。
它可以作为名词、形容词或副词在句子中进行修饰或起其他功能。
二、动词不定式作为名词动词不定式可以作为名词在句子中担任主语、宾语、表语、同位语等。
1. 作主语:To learn a foreign language is beneficial.学习一门外语是有益的。
2. 作宾语:She wants to go shopping.她想去购物。
3. 作表语:His dream is to become a doctor.他的梦想是成为一名医生。
4. 作同位语:His goal, to win the championship, motivates him to practice every day.为了赢得冠军,他每天都在努力。
三、动词不定式作为形容词动词不定式可以作为形容词修饰名词,通常在名词之前。
1. 修饰名词:I have a book to read.我有一本要读的书。
2. 修饰人:She is the person to ask for help.她是可以求助的人。
四、动词不定式作为副词动词不定式可以作为副词修饰动词、形容词或副词,表示目的、结果、原因等。
1. 修饰动词:He bought a new computer to play games.他买了一台新电脑来玩游戏。
2. 修饰形容词:She is too tired to continue working.她太累了,无法继续工作。
3. 修饰副词:He speaks English fluently enough to communicate with foreigners.他的英语说得足够流利,可以与外国人交流。
史上最完整动词不定式的用法

4.动词不定式作表语
1.主语和表语都是不定式(其含义ind to the enemy is to be cruel to the people.
To do that would be to cut the foot to fit the shoe.
2 . 主 语 是 以 aim, duty, hope, idea, intention, mistake, plan, proposal, job, suggestion 等为中心词的名词词组,或以 what 引导的名词性从句表示,表语用不定 式说明其内容,如:
1. 动词不定式作主语 动词不定式作主语,谓语动词用第三
人称单数。
To get there by car will take a whole day.
How to get enough money is still a question.
1. 动词不定式作主语
有时候为了保持句子平衡,常用it 作形式主语,放到句首,而将作真 实主语的动词不定式放到句末。
My idea is to climb the mountain from the north. My suggestion is to start work at once.
What I would suggest is to start work at once.
注:在某些句型中,当主语部分有动作 动词do 时,作表语的不定式可以省略符 号 “to”,如:
3. We climbed to the top of the tower ___D_____a better view of the area.
A. getting
B. got
C. having got
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行。 。
1. I am very glad to be working with
you.
2.He pretended
to
be
reading
when his
mother came into his精r品oPPTom.
动词不定式的时态
㈢.完成式(to have done)
1. I opened the door to enter the 2ro.oIms.aw her enter the room.
3. Mr. Smith is going to attend the
meeting
to be held 精品PPT tomorrow.
动词不定式的时态
㈡.进行式( to be doing)
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不定式结构表示结果更常见于下列句型: ① so …as to …
Would you be so kind as to lend me
your bicycle / tell me the time? ② such (…) as to …
I’m not such a fool as to believe that. ③ enough to …
All I could do was send him a telegram.
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5.动词不定式作宾补 常跟动词不定式作宾补的动词有: (1)可接带to的不定式作宾补的动 词有:
ask, get, allow, forbid, prefer, force, inspire, advise, cause, tell, order, warn, teach, permit, wish, invite, encourage等
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4.动词不定式作表语 1.主语和表语都是不定式(其含义 往往一是条件,一是结果),如:
To be kind to the enemy is to be cruel to the people.
To do that would be to cut the foot to fit the shoe.
动词不定式
1.作主语 2.作宾语
1. 动词不定式 的用法
3.作定语 4.作表语 5.作宾补
6.作状语
2.动词不定式的时态和语态
3. 巩固练习 精品PPT
1. 动词不定式作主语 动词不定式作主语,谓语动词用第三 人称单数。 To get there by car will take a whole day. How to get enough money is still a question.
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动词不定式作宾语应注意的问题 2. 如果不定式作宾语而后面又有一个 宾语补足语,这时要用it作形式宾语 而把这个动词不定式放到补语后。
I feel it my duty to help you. I once thought it impossible for us to finish the job in such a limited time.
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(2)可跟省to的动词不定式作宾补的 动词有: 在部分感官动词和使役动词后,如:
see, watch, notice, observe, look at, listen to, feel, make, let, have
注:help后可跟省to或带to的不定式 作宾补。
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The teacher had us recite the text every day.
I was let to do the experiment alone.
Was he noticed to leave the house?
动词不定式在主动语态中用省to的形 式作宾补,但在被动语态的句子中, 要用带to的形式作主语补语。
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6.动词不定式作状语
动词不定式作状语用来修饰动词、 形容词、副词或整个句子,通常表 示目的、原因、结果、程度等。
A. entering
B. enter
C. to enter
D. entered
解析:感官动词后可跟现在分词和省to的动词 不定式作宾补。不定式表示全过程,现在分词 表示正在进行。在被动语态中用带to的动词不 定式作主语补语。
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6. Wang Dong wanted to surf the Internet, but his father told him ___D_______.
Try to get there on time.
精品PPTforget todo sth. 忘了去做某事forget doing sth.忘了做过某事
I forget telling her about it I forget to bring the purse with me when I left home this morning.
I am only too pleased to help you.
当不定式前有表否定意义的词时,译作 肯定。
We are never too old to learn.
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动词不定式的时态
㈠. 一般式( to do ).
不定式的一般式所 表示的动作(状态) 同时(或几乎同时) 发生,或之后发生。
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3. We climbed to the top of the tower ___D_____a better view of the area.
A. getting
B. got
C. having got
D. to get
解析:动词不定式作目的状语,其余几个没 这功能。
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4. What is the way Smith thought of ___D______ enough money to buy the new house.
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动词不定式作宾语应注意的问题 1.有些动词后跟动词不定式和动名词 作宾语意义截然不同
try, go on, stop, mean, regret, remember, forget等
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try to do sth. 尽力去做某事 try doing sth. 试一试,试试看 Try knocking at the back door if nobody hears you at the front door.
A.need to be repairing
B. repairing is required of them
C. require that they be repaired.
D. need to be repaired.
解析:and并列谓语动词, need to be repaired相当 于need repairing.
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2. 动词不定式作宾语 动词不定式作宾语常用于下列动词后:
want, agree, decide, manage, wish, hope, ask, like, love , choose, promise, continue, plan, learn, expect, offer, prepare, refuse, pretend, attempt, intend, threaten, seek, hesitate, long, desire, fail等 等。
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2.— I wish you had brought your family with you.
— I’ll get them ___B____ next time.
A. coming
B. to come
C. come
D. have come
解析:使役动词get后跟带to的动词不定 式作宾补,let,make, have后跟省to的 动词不定式作宾补。
The boy is old enough to go to school. ④ too … to … 5.only to do表示一种意想不到的结果 Eg:We went to the train station only to
find that the train had精品lePPTft.
当too前有only时,only too …to…译 作肯定。
What I would suggest is to start work at once.
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注:在某些句型中,当主语部分有动作 动词do 时,作表语的不定式可以省略符 号 “to”,如:
All we have to do is push the button.
The only thing I can do now is go on by myself.
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2 . 主 语 是 以 aim, duty, hope, idea, intention, mistake, plan, proposal, job, suggestion 等为中心词的名词词组,或以 what 引导的名词性从句表示,表语用不定 式说明其内容,如:
My idea is to climb the mountain from the north. My suggestion is to start work at once.
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remember to do sth.记住去做某事
remember doing sth.记得做过某事
I remember reading the story in some book. Remember to post the letter for me when you go to the post office.