公开课课件 动词不定式的用法

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。
I forget to bring the purse with me when I left home this morning.
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.
2.— I wish you had brought your family with you.
— I’ll get them _______ next time. B
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。
1．表示目的： They ran over to welcome the delegates. He stood up to be seen better. 2. 表示结果： What have I said to make you so angry? He came round to find himself in hospital.
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, aቤተ መጻሕፍቲ ባይዱlow, forbid, prefer, force, inspire, advise, cause, tell, order, warn, teach, permit, wish, invite, encourage等
3. We climbed to the top of the tower ________a better view of the area. D 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。
4. What is the way Smith thought of _________ D enough money to buy the new house. A. getting B. having got
3.动词不定式作定语 动词不定式作定语，它与所修饰的名 词或代词可能是主谓关系，也可能是 动宾关系。如果是动宾关系，不定式 主动表示被动。 He was the last one to leave school yesterday. We have much homework to do everyday.
巩固练习
1. Several of these washes and dryers are out of D order and______. 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.
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。
6. Wang Dong wanted to surf the Internet, but his father told him __________. D
1.作主语
动词不定式
1. 动词不定式 的用法
2.作宾语
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
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.
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 … 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 left.
当too前有only时，only too …to…译 作肯定。
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.
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。
㈢.完成式（to have done)
不定式的完成 式表示的动作 在谓语表示的 动作之前发生。
1. I am sorry to have kept you waiting so long. 2. You seemed to have read the novel written by Mr. Smith.
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. What I would suggest is to start work at once.
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.
C. being got
D. to get
解析：名词the way后跟有两个定语，一个是 定语从句Smith thought of， 一个是动词不定 式to get enough money to buy the new house.
C 5. The young assistant was noticed ______ the bank alone last night. A. entering C. to enter B. enter D. entered
1. I opened the door to enter the room. 2. Ｉsaw her enter the room.
3. Mr. Smith is going to attend the meeting to be held tomorrow.
动词不定式的时态
㈡.进行式( to be doing)
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
forget to do sth. 忘了去做某事 forget doing sth.忘了做过某事 I forget telling her about it
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。 It will take a whole day to get there by car. It is impossible for me to finish the work in a week.
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。
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。
不定式的进行式表示正 在进行的动作,和谓语动 词所表示的动作同时进 行。 。
1. I am very glad to be working with you. 2.He pretended to be reading when his
mother came into his room.
动词不定式的时态
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.