[名校联盟]广西桂林市十九中高二英语复习：Unit One Making a difference （5份，课件）

Unit One zxxkw Period four Grammar                                 动词不定式是一种非限定性动词,由to＋动词原形构成,但在有些情况下to可以省略。动词不定式在句中可以作主语、宾语、表语、定语和状语。 To finish so much homework in a day is impossible. To see is to believe. My wish is to be a doctor. I want to do it myself.                                 We found it difficult to work with him. He always has a lot of meetings to attend. He is looking for a room to live in. I study hard to serve the people well. In order not to be late she took a bus. zxxkw                                 常见带形式主语it的句型： 1. It is easy ( difficult, important, possible, necessary, good, kind, wise, foolish…) to do sth. 2. It is a pleasure (pity, crime, an honor…) to do sth. 3. It takes (sb.) some time to do sth. It is difficult to understand him. It is a pleasure to help you. It's a great honor to be invited to Mary's birthday party. It takes me an hour to clean the room. zxxkw 不定式作表语时一般紧跟在系动词be, seem, remain, appear, get等后面，用来说明主语的内容。 常见的主语有：one’s dream, business, wish, idea, plan, job, work, task, duty, what one wants to do… My wish is to be a doctor. My chief purpose is to point out the difficulties of the matter. 1.常见的不定式作宾语的及物动词有： want, hope, wish, agree, promise, decide, determine, fail, manage, offer, prepare, pretend, choose, expect, refuse I like to keep everything tidy. When I heard the words, I didn’t know whether to laugh or to cry. I want to speak to Tom. 2. feel, find, judge, make, think, believe, consider + it +adj. / n. + to do sth. He thought it a great pity not to have invited her. She made it a rule to get up at five. The teacher told us not to be so noisy in the class. I expect you to give me some help in the experiment. Father will not allow us to play on the street.　　　　　　　 We believe him to be guilty. 一些动词后作宾补的不定式不带to. 一感：feel + sb + do sth. 二听: hear, listen to 三看: see, watch, look at, observe, notice 四使役: let, make, have Suddenly we felt the atmosphere grow tense. What made him do that again and again? I need