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1、般现在时中的第三人称单数形式在一般现在时中,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。一什么是一般现在时一般现在时的根本用法有哪些呢?【一般现在时的功能】1.表示事物或人物的特征、状态。如:The sky is blue.天空是蓝色的。标志词时间状语:always, every week (day, year, month ),once a week, every, sometimes, at ,on Sun day uauslly2. 表示经常性或习惯性的动作。如:I get up at six every day.我每天六点起床。3. 表示客观现
2、实。如:The earth goes around the sun.地球绕着太阳转。二哪些主语是第三人称单数现归纳总结如下:、人称代词he, she, it是第三人称单数。如:He likes watchi ng TV.他喜欢看电视。he has lunch at twelve.她十二点吃午餐。It looks like a cat.它看起来像只猫。1、单个人名、地名或称呼作主语;是第三人称单数。如: Beijing is in China.北京在中国。 Uncle Wang often makes cakes.王叔叔经常做蛋糕。三、单数可数名词或 this / that / the+单数可数
3、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
4、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: I is a letter. I是个字母。除上述规律外,还应注意下面三点:1. 动词 have ,遇到主语是第三人称单数时,要用 has ; 动词 be 的第三人称单数形式是 is 。 2. 含有动词第三人称单数形式的句子变否认句时,要用doesnt + 动词原形,如: He goesto
5、school at six in the morning.变否认句He does nt go to school at six in the morning.3. 对含有动词第三人称单数形式的句子提问时,要用助动词 does ,如: She goes home at fiveevery day. 对划线局部提问 When / What time does she go home every day 三含有动词第三人称单数形式的句子变否认句和疑问时怎样变 【注意:】只要句子中出现 do, does,don t,doesn t, 句子中原来的实意动词要用 原形例如:He likes即ples.改成
6、否认句He doesn t likes apples 。 错He doesnt like apples 。对A 否认句: 1当主语是第一,二或复数时,主语 + dont + 动词原形 +其它。如:I dont like bread.2 当主语为第三人称单数时,要用 doesnt 构成否认句。如:He doesnt often play.B 一般疑问句: 1当主语是第一,二或复数时, Do +主语+动词原形 +其它。如:Do you often play football- Yes, I do. / No, I dont.2 当主语为第三人称单数时,要用 does 构成一般疑问句。如:- Doe
7、s she go to work by bike- Yes, she does. / No, she doesnt.C特殊疑问句:疑问词+般疑问句。如:How does your father go to work四一般现在时 动词第三人称单数形式构成规那么一般现在时中主语时第三人称1大多数动词在词尾加“ S如: stop stops make makes read reads play plays z2、 以辅音字母加“ y结尾的,要先将“ y变为“ i ,然后在加“ es读iz女口:fly flies carry carries study studies worry worries3、
8、以“ s, x, ch, sh 结尾的,在词尾加“ es,发音为如:teach teacheswatch watches4、以“ o结尾的动词,加“ es,如:go goes do does5、 以不发音字母“ e结尾的开音节词,加“ s 女口: close closes iz6、特殊:O. be动词包括:am, is , are。第三人称单数用is ;过去式为 was ;复数用are,过去式为were.O.动词have ,遇到主语是第三人称单数时, 要用has ;动词be的第三人称单数形式is。五稳固练习题:写出以下动词的第三人称单数形式:die-rush-touch-go-reach-br
9、ush-fly-say-do-live-enjoy-wish-Tie-buy-drink-stay-look-come-plant-do-copy-run-fix-cry-have-play-teach-study-go-make-carry-watch-fly二、用括号内动词的适当形式填空。1. He often (have) dinner at home.2. Daniel and Tommy (be) in Class One.3. We (not watch) TV on Monday.4. Nick (not go) to the zoo on Sunday.5. they (lik
10、e) the World Cup?6. What they often (do) on Saturdays?7. your parents (read) newspapers every day?8. The girl (teach) us English on Sundays.9. She and I (take) a walk together every evening.10. There (be) some water in the bottle.11. Mike (like) cooking.12. They (have) the same hobby.13. My aunt (lo
11、ok) after her baby carefully.14. You always (do) your homework well.15. I (be) ill. I m staying in bed.16. She (go) to school from Monday to Friday.17. Liu Tao (do) not like PE.18. The child often (watch) TV in the evening.19. Su Hai and Su Yang (have) eight lessons this term.20. What day (be) it to
12、day ? It s Saturday三、改错 ( 划出错误的地方,将正确的写在横线上 )1. Is your brother speak English 2. Does he likes going fishing 3. He likes play games after class. 4. Mr. Wu teachs us English. 5. She don t do her homework on Sundays. 练习题练习一、 写出以下动词的第三人称单数drinkgostaymakelook_havepasscarrycomewatchplantflystudybrush_dot
13、eachmeetbring_练习二、将括号里动词的适当形式填入横线上。1. I in the corridors. (walk)2. He in the corridors. (run)3. She her face once a day. (wash)4. They their teeth once a day. (brush)5. You up your clothes once a day. (hang)6. We our home work once a day. (finish)7. He rubbish in the classroom. (throw)8. She rubbish
14、 on the floor. (throw)9. I rubbish in the bin. (throw)10. They the table once a day. (set)11. Peter never in the corridors. (run)12. Mary usually the table. (set)13. Pat and Ken the plants in the morning. (water)14. The boy his hair once a day. (comb)15. Miss Cheng TV at home. (watch)16. My sister h
15、is schoolbag once a day. (pack)17. My mother dinner for me. (cook)18. My parents the house at Chinese New Year. (clean)19. My teachers us some gifts. (give)20. My friends the table with me. (set)练习三、选择正确的单词填到括号里1. What does Candy (wants, want) to be2. He shouldn t (throw, throws) rubbish on the floo
16、r.3. Peter (help, helps) his mother at home.4. She never (run, runs) in the corridors.5. We should (walks, walk) in the corridors.6. He (don t, doesn t) get up early.7. How often (do, does) your father go to bed8. We (not watch) TV on Monday.9. Nick (not go) to the zoo on Sunday. (like) the World Cu
17、p11. What they often (do) on Saturdaysparents (read) newspapers every day13. The girl (teach) us English on Sundays.14. She and I (take) a walk together every evening.15. There (be) some water in the bottle.16. Mike (like) cooking.17. They (have) the same hobby.18. My aunt (look) after her baby care
18、fully.19. You always (do) your homework well.20. I (be) ill. I m staying in bed.21. She (go) to school from Monday to Friday.22. Liu Tao (do) not like PE.23. The child often (watch) TV in the evening.24. Su Hai and Su Yang (have) eight lessons this term.25. He TV every evening. (watch)26. John like his father. (look)27. He often (have) dinner at home.练习四、将以下句子改成第三人称
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