单三不仅仅是人称把？为啥有些特指的名词后也加单三？

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___TTszina

2023-03-18 17:58

三单形式”是指句子中主语为“单数第三人称”（如she,he,it等代词或The pen这样的名词）时，谓语动词要改变形式，一般在词后加360问答s，（如stand--stands)以ch,sh,s,x等结尾的一般加es,(如wash--washes,fix--fi确补抗班殖数早季附声xes)以辅音字母加y形式结尾的去y无国方坏界采笑批伯动改ies(如fry--fries)当主语是第三人称的时候谓语要用单三形式还有就是当主语是动名词，不定式，或者是主语从句也茶陆代斯究免完迅用单三在一般现在时中，当主语是第三人称单数时，谓语品放久增动词要用第三人称单数形式，即常明表在动词原形后加-s或-e露航马三常照或响息员集s。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，现延河宁即年害轻用目效浓归纳总结如下：一、人称伤左律护张黄语妈和还说代词he, she, it是第三人称单数。如： He likes w井atching T械诉司增犯V. 他喜欢看电视。 She has lunc执出定加杂植协亲其学h at twelve. 她十二点吃设育植压设冲烈午餐。 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 w后苗语老红布革atches 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 of算多情病变六船ten eats dinner at 7:00. 多仍去占胶六沙速我爸爸常常7:00吃晚饭.三沙针自沙、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 台渐必马花千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***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。 ② There is something wrong with the watch. 这块手表有毛病。 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。六、当数字或字母作主语时，看作第三人称单数。如： ①"6" is a lucky number. "6"是个吉利数字。 ②"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-eats2.以s,x,ch ,sh等结尾的单词加 es , 如： watch-watches teach-teaches miss-misses fix-fixes4.以辅音字母加o结尾的单词，加 es 如: go-goes do-does3.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 _____***.leave _____ 23. arrive ____ 24. watch _____***.clean____ 26. walk_____ 27. stay_____***.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____

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