初三英语复习《动词不定式》PPT课件

1、动词不定式,肯定： to + V.原 或者 (to)+ V.原 否定：not/ + (to) + V.原,He likes to read novels. We decided not to buy that house. 4) It is interesting to fly a kite.,动词不定式的结构,作主语,To hear your voice is so nice. To study hard is very important.,It is so nice to hear your voice.,It is very important to study hard.,不定式作主

2、语时，通常用it作形式主语， 把真正的主语放在后面。,注意:,1、It is +adj. for/ of sb. to do sth.,It +be + adj. +for/of sb. to do sth. for: adj.多为描述不定式行为的特征 （important/ necessary / interesting 等.） of: adj. 多为 描述主语的品质特征 （kind / nice / friendly / wise / foolish 等.）,作主语,It is easy _ her to learn English well. It is clever _ you to

3、solve the problem.,of,for,2、It takes sb. some time to do sth.,It takes me three hours to finish the homework every day.,作主语,我每天花去三个小时完成家庭作业。,I spend three hours finishing the homework every day.,1、It is necessary _us to learn to wait. (of/for) 2、It was careless _me to break the cup . （of/for) 3、It t

4、ook them 1,000 yuan _this table. (buy) 4、It is my pleasure _ the box for you. (carry),to buy,for,of,to carry,练习,1、动词+ to do sth. 常用动词有： want / wish / like / would like / hope / plan / try / decide / learn / need / agree / begin / start / forget / remember / manage / seem / fail/ manage/ promise等,1、I

5、 hope to finish it tomorrow . 2、She plans to go and teach in the country.,作宾语,2、动词疑问词+to do,I dont know_ next. She cant decide_.,作宾语,2、她不能决定买哪本书。,1、我不知道接下来该做什么。,what to do,which book to buy,=She cant decide which book she should buy.,1、动词 + 宾语（sb./sth.) + to do sth.,1、The teacher asked her to answer

6、 the question. 2、The doctor told me to have a good rest.,作宾补-对宾语进行补充说明,常用动词有：ask, tell, allow, want 等,动词多为感官动词、使动词。 一感：feel 二听：hear, listen to 三使：make, let, have 三看：see, notice, watch,Johns mother makes him play the piano every day.,被动：,John _ play the piano every day.,is made to,2、动词+宾语+不带to的不定式,1、

7、主语 + be + to do sth 主语多为 duty / wish / hope / idea / plan / ambition/ dream / work / job 等 名词,1、My dream is to be a singer. 2、His work is to clean the classroom every day.,作表语,我的梦想是成为一名歌手。 他的工作是每天清扫教室。,放在被修饰词的后面,I have a lot of work to do. I want to find something to drink.,作定语,不定式为不及物动词时后面应有必要的介词。,

8、Im looking for a hotel _. A. stay B. stay at C. to stay D. to stay at,D,位置：,He hasnt got a house to live_.,I have no pens to write _.,in,with,1、原因状语: 主语 + be + adj.(表情感) + to do sth. (happy/ glad angry / sorry / sad /afraid 等),Im sorry to hear that.,作状语,Im glad to see you.,2、目的状语,The soldier ran into the room to save the girl .,_ _ the soldier run into the room?,Why did,Many parents send their children abroad _.(深造学习),to further their studies,