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英语动词的单三形式讲解
在一般现在时中,当主语是第三人称单数时,谓语动词要用第三人称单数形式,即常在动词原形后加-s或-es。但有些同学们对于哪些主语是第三人称单数还不十分清楚,现归纳总结如下:
一、人称代词he, she, it是第三人称单数。如:
He likes watching TV. 他喜欢看电视。
She has lunch at twelve. 她十二点吃午餐。
It looks like a cat. 它看起来像只猫。
二、单个人名、地名或称呼作主语;是第三人称单数。如:
① Peter watches TV at 9:30. Peter 总是在9:30看电视.
② Beijing is in China. 北京在中国。
③ My father often eats dinner at 7:00. 我爸爸常常7:00吃晚饭.
三、单数可数名词或"this / that / the+单数可数名词"作主语时,是第三人称单数。如:
① A horse is a useful animal. 马是有用的动物。
② This book is yours. 这本书是你的。
③ That car is red. 那辆小汽车是红色的。
④ The cat is Lucy's. 这只猫是露茜的。
四、不定代词someone, somebody, nobody, everything, something等及指示代词this, that作主语时,是第三人称单数。如:
① Everyone is here. 大家到齐了。
③ This is a pen. 这是一支钢笔。
④ That is an eraser. 那是一块橡皮擦。
五、不可数名词作主语时为第三人称单数。如:
① The milk is in the glass. 牛奶在玻璃杯里。
② The bread is very small. 那面包很小。
第三人称单数形式的构成
1.一般直接在词尾加 s, 如:want-wants like-likes read-reads play-plays eat-eats
2.以s,x,ch ,sh等结尾的单词加 es , 如: watch-watches teach-teaches miss-misses fix-fixes
4.以辅音字母加o结尾的单词,加 es 如: go-goes do-does
3.以辅音字母加y结尾的单词,变y为i加 es , 如: fly-flies
附加:have--has
动词单三的练习
一. 根据括号里单词的适当形式填空
1. She _____ (be ) a writer. 2. It _____(look) like a monkey.
3. We_____(go) to the park. 4. He _____(go) to school.
5. Amy_____(like) eating fruits. 6. Hebei_____(be) next to Shandong.
7. Our teacher _____(be) talking with John.
8. Whose book _____(be) this ?
9. Dogs _____(be) our friends . 10. That blackboard _____(be) clean.
11. The desk _____(be) Tom’s. 12. Somebody _____(do) her homework .
13. Everybody _____(is ) ok! 14. Nobody _____ (be) in the park .
15. There _____(be)someone in the classroom .
16. Uncle wang _____(watch) TV at home. 17. Bob _____(read) book in the bookshop.
18. He_____(eat) breakfast in the morning . 19. Ken _____(have) math class on tuesday.
20. “4” _____(be) a bad number in China .
二. 把下列句子改成第三人称单数句的肯定句、否定句、一般疑问句,并做回答。
1. I like playing the pinao in the music room . (Tom)
2.I do my homework at 4:30 in the afternoon . (she)
3.I have breakfast at twenty-five past seven in the morning.(her father )
4. I watch TV at quarter past six with my parents . (Tom’s sister)
三、写出下列动词的第三人称单数形式
1. work_______ 2. watch_________ 3. clean_______
4. write_______ 5. teach_________ 6. wash________
7. play_______ 8. read________ 9. go__________
10. do__________ 11. fly________ 12. study________
13. drink _______ 14. cry_______ 15. have________
16. sit ____ 17. swim _____ 18. draw ______
19. make ______20. run _____ 21. carry _____22. stand _____
23. walk _____ 24. jump _____25. come _____ 26. like _____
27. love _____ 28. know _____ 29. speak _____30. look _____
31. drive ______ 32. eat _____33. buy _____34. laugh(笑)______
35. want _____36. talk ______ 37. wear _____38. help _____
39. find _____ 41. take ____ 42. live ____43. say____
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