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1、动词变单三的规则：1. 一般的动词在词尾加-s. workworks, read-reads 2. 以s,x,ch,sh,及辅音字母+o结尾的单词在词尾加-es. Watch-watches,do-does.3. 以辅音字母加y结尾的动词变y为i，再加-es. fly-flies.4. 以元音字母加y结尾的动词直接在词尾加s. play-plays5. 不规则变化。如：have-has练习题：一.写出下列单词的单三形式。1.watch 2.do 3.play 4.read 5.go 6.play 7.have 8.teach 9.wash 10.swim 11.clean 12.make 13
2、.carry 14.put 15.write 16.get 17.live 18.like 19.fly 20.visit二用所给动词的适当形式填空。1.I go to school by bike.But my brother_(go)on foot.2.Does your pen pal like_(draw)pictures?3.Lets _(go)together.4.Mr Green_(live) in Australia.5.Do you like _(swim)?6.My friend sometimes_(watch)TV in the afternoon.7.Dave usu
3、slly _(go)to bed at 9:00.8.My brother_(study)in a middle school.9.Grandpa usually _(get)up early in the morning.10.I _(play) football every day.11. My parents and I _(live) in China.12.Tom _(read) newspapers every evening.13.My father _(work) in a factory.14.They often _(swim) in summer.15.The sun _
4、(rise) in the east.16.He _(study) E nglish every day.17.He _(go)to school at half past seven every day.18.Miss Gao _(teach)us English.She is very kind.19.He always _(go)to school on foot.20.Mary _(get)up at six every day.三单项选择。( )1.-Does Mike like painting? -_.A.Yes,I do. B.Yes,he do. C.No,he doesnt
5、.( )2.My father _newspapers every day.A.reads B.looks C.watches( )3.Ann likes_kites.A.make B.making C.makes( )4.My mother is a teacher.She _English.A.teach B.teachs C.teaches肯定句变一般疑问句：1、找be（am, is, are ）动词,把be动词提到句子开头，并加问号（？）。2、找情态动词（can, must, may ,could等），把情态动词提到句子前面，其余不变，并交问号（？）。3、没有be动词，没有情态动词的句
6、子变一般疑问句，需加助动词do ；当主语是第三人称单数时加助动词does，动词要还原为原形。如：He goes to work by bus. 变为一般疑问句：Does he go to work by bus? Yes,he does./ No, he doesnt.练习题：1 肯定句变一般疑问句1. She goes to schoolby bike.2. They live in this house.3. Joe has a mnew shirt.4. He speaks English.5. There are many houses in my village.6. I can sweep the floor.7. My mom is a singer.8. I am going to the zoo this Sunday.9.Peter is at home.