2022年高三英語專題復(fù)習(xí) 動詞不定式
2022年高三英語專題復(fù)習(xí) 動詞不定式一、動詞不定時的形式:肯定式:_ 否定式:_被動式:_ 完成式:_【趁熱打鐵】Mrs. Smith warned her daughter _ after drinking.A. never to drive B. to never driver C. never driving D. never drive二、動詞不定式的用法1作主語A 動詞不定式作主語,謂語動詞用單數(shù)形式。如:(1) To see is to believe.(2)To master English gives us much help in the study of science.B 不定式或不定式短語作主語時,常用it作形式主語,構(gòu)成“It is + 形容詞(+for sb.)不定式”結(jié)構(gòu)。It is impossible for him to give up smoking. 【趁熱打鐵】1. Is _ necessary to plete the design before National Day?A. this B. that C. it D. he2. When and where to build the new factory _ yetAis not decided Bare not decided Chas not decided Dhave not decided2.作賓語A動詞后直接不定式作賓語的動詞有許多,如want, decide, intend, fail, wish, export, pretend, choose等等。I mean to go there at once.B.不定式短語作賓語時,如果還帶有賓語補足語,往往把不定式短語放在賓補之后,而用it作形式賓語。句型為“主語+find (feel, think, believe, consider,etc) +it+形容詞/名詞+to do sth”。I think it necessary to report the thing to the teacher.I find it interesting to work with him. 【趁熱打鐵】1. She pretended _ me when I passed by.A. not to see B. not seeing C. to not see D. having not seen2. Do you know Mr. Smith?Yes. He's a strange man. We found _ difficult to work with him.A. us B. it C. him D. you3 作表語動詞不定式作表語,一是主語由不定式充當(dāng);二是主語由抽象名詞充當(dāng)。To teach is to learn.The best way to improve your English is to join an English club.【趁熱打鐵】The purpose of the new technologies is to make life easier,_ it more difficult.A. not make B. not to make C. not making D. do not make4 作賓語補足語【注意】在感官動詞(see, hear, feel, listen to , notice, watch, observe等)和使役動詞(let, have, make )后的補足語中,不定式不帶to。但這類句子變成被動語態(tài)時,必須帶to。 I saw him play in the park.He was seen _ in the park.5 定語1、不定式與被修飾的名詞往往構(gòu)成邏輯上的關(guān)系。如名詞為不定式的邏輯主語,構(gòu)成主謂關(guān)系; 若名詞為邏輯賓語,則構(gòu)成動賓關(guān)系; He is not a man to tell lies.There will not be enough space to stand in on the earth.2、作定語的不定式與所修飾的名詞之間是動賓關(guān)系, 不定式動詞又是不及物動詞時,應(yīng)在該動詞上加上一個介詞,如;He has a nice pen to write with.He is looking for a room to live in.【趁熱打鐵】With a lot of difficult problems _ , the newly elected president is having a hard time. A. settled B. settling C. to settle D. being settledThe chair looks rather hard, but in fact, it is very fortable to _.A. sit B. sit on C. be sat D. be sat on 6. 作狀語不定式作狀語時,可表示目的,原因,結(jié)果或條件。 如;Im very glad to hear the news. (原因)不定式作目的狀語時,??膳cto, to order to, so as to 連用。He got up early so as not to be late.不定式可以跟在表語的形容詞之后作狀語。The question is difficult to answer.有些不定式短語可以做獨立成分,通常放在句首,有時置于句中或句未,須用逗號的開。To tell the truth,Strange to say, to make matters worse, to start with,to be brief【趁熱打鐵】We were astonished_ the temple still in its original condition.A. finding B. to find C. find D. to be foundBirds' singing is sometimes a warning to other birds _ away.A. to stay B. staying C. stayed D. stay三高考真題鏈接1. I don't think _ possible to master a foreign language without much memory work.A. this B. that C. Its D. It2. The play _ next month aims mainly to reflect the local culture.A. produced B. being produced C. to be produced D. having been produced3. With the world changing fast, we have something new _ with all by ourselves every day.A. deal B. dealt C. to deal D. dealing4. The children all turned _ the famous actress as she entered the classroom.A. looked at B. to look at C. to looking at D. look at5. _, you need to give all you have and try your best.A. Being a winner B. To be a winner C. Be a winner D. Having been a winner