初三英语复习《动词不定式》PPT课件.ppt
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1、动词不定式,肯定:to+V.原 或者(to)+V.原 否定:not/never+(to)+V.原,He likes to read novels.I saw him come.We decided not to buy that house.4)It is interesting to fly a kite.5)Please let him not go there.,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 i
2、s very important to study hard.,不定式作主语时,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 _
3、 you to 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.,3、It is+n.(for sb)to do sth.,It is my pleasure to help you with your English.,作主语,4、用在谚语中,To see i
4、s to believe.,To say is easy,but to do is hard.,作主语,1、It is necessary _us to learn to wait.(of/for)2、It was careless _me to break the cup.(of/for)3、It took 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,5、轮到我们打扫教室了。It is our turn_6、To waste t
5、ime is to shorten life.(翻译成中文),to clean the classroom.,浪费时间就是缩短生命。,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 hope to finish it tomorrow.2、She plans to go and teach in the country.,作宾语,2、动词疑
6、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、Dont forget _.(关灯)2、I happened _when he called me.(出去)3、I dont want_.(依赖别人)4、Sam is learning_.(怎样开车)5、We promise _ the environment.(保护),to turn off
7、the light,to go out,to depend on others,how to drive a car,练习,to protect,1、动词+宾语(sb./sth.)+to do sth.,1、The teacher asked her to answer 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四看:see,notice,
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