英语动词的单三形式讲解

英语动词的单三形式讲解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： Peter watches TV at 9:30. Peter 总是在9:30看电视. Beijing is in China. 北京在中国。 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： A horse is a useful animal. 马是有用的动物。 This book is yours. 这本书是你的。 That car is red. 那辆小汽车是红色的。 The cat is Lucys. 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： Everyone is here. 大家到齐了。 There is something wrong with the watch. 这块手表有毛病。 This is a pen. 这是一支钢笔。 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： The milk is in the glass. 牛奶在玻璃杯里。 The bread is very small. 那面包很小。 六、当数字或字母作主语时，看作第三人称单数。如： 6 is a lucky number. 6是个吉利数字。 I is a letter. I是个字母。 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) Toms. 12. Somebody _(do) her homework . 13. Everybody _(is ) OK! 14. Nobody _ (be) in the park . 15. There _someone in the classroom . 16. Uncle wang _(watch) TV at home. 17. Bob _(read) book in the bookshop. 18. He_ 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 piano in the music room . (Tom) 2.I do my homework at 4:30 in the afternoon . 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 . (Toms 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.leave _ 23. arrive _ 24. watch _ 25.clean_ 26. walk_ 27. stay_ 28.jump _ 29. come _ 30. pass_ 31. stand_ 32. like _ 33. love_ 34. smile_ 35. laugh_ 36. know_ 37. speak_ 38. wear _ 39. look_ 40. drive_ 41. skip _ 42. eat_ 43. buy_ 44. point_ 45. live_ 46. say_ 47. want_ 48. talk_ 49. invite_ 50. count_ 51. take_ 52. brush _ 53. stay _ 54. need_ 55. pack_ 56. help _ 57. find_