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1、,动词变单三形式,第三人称： he,she,it,单个人名 如Jack,构成规则：1.一般直接在此为加-slike-likes drive-drivesread-reads cook-cooksopen-opens write-writes,guess -watch -go - wash-fix- fixes,guesseswatchesgoeswashes,2.以字母o,s, x, ch, sh 结尾的动词加-es。,es,carry - fly - study -,carries,studies,flies,3.辅音字母+y结尾的动词，先变y为i，再加-es,4.元音字母+y结尾的动词，直
2、接在动词后加-S,play-plays say-says,am- is- are-have-,isisishas,5.be动词的第三人称单数分别为 is, have则为has,Sum up:,1.一般直接在此为加-s,3.辅音字母+y结尾的动词，先变y为i，再加-es,2.以字母o,s, x, ch, sh 结尾的动词加-es。,4.be动词的第三人称单数分别为 is, have则为has,例句：He likes watching TV. 他喜欢看电视。Jack plays basketball. 杰克会打篮球。This boy reads a book. 这个男孩在看书。,Does he l
3、ike watching TV?Does Jack play basketball?Does this boy read a book?,变成一般疑问句的时候加上does，把单三的s带走。怎么变呢？,练习: 写出下列动词的第三人称单数。drink _ go _ stay _ make _ look_ have_ plant_ teach_ pass_ fly _ carry _ study_ come_ brush_ watch_,用动词的适当形式填空。1. He often _(have) dinner at home. 2. Daniel and Tommy _(be) in Class
4、One. 3. Nick _(not go) to the zoo on Sunday4. What _they often _(do) on Saturdays？5. _ your parents _(read) newspapers every day? 6. The girl _(teach) us English on Sundays. 7. Mike _(like) cooking. 8. They _(have) the same hobby. 9. She _(go) to school from Monday to Friday. 10. The child often _(watch) TV in the evening.,按照要求改写句子。1. I do my homework every day.(改为一般疑问句，作否定回答_2. She likes milk.(改为一般疑问句，作肯定回答) _3. Amy likes playing computer games.(改为一般疑问句，作否定回答_,
