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不规则变化：do---- does have----has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： ①Han Mei looks like her mother. 韩梅看起来像她的母亲。 ②Beijing is in China. 北京在中国。 ③Uncle Wang often makes cakes. 王叔叔经常做蛋糕。 三、单数可数名词或 his / that / the+单数可数名词作主语时，是第三人称单数。如： ①A horse is a useful animal. 马是有用的动物。 ②This book is yours. 这本书是你的。 ③That car is red. 那辆小汽车是红色的。 ④The 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： ①Everyone is here. 大家到齐了。 ②There is something wrong with the watch. 这块手表有毛病。 ③This is a pen. 这是一支钢笔。 ④That 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： ①The milk is in the glass. 牛奶在玻璃杯里。 ②The 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： ①6 is a lucky number. 6是个吉利数字。 ②I is a letter. I是个字母。 巩固练习题： I.写出下列动词的相应形式： 1. 第三人称单数： wash_________ match _______guess______ study______ finish_________ go________ snow______ carry_________ 2.写出下列动词的过去式：stop______ see________ drive ________let_______ carry______ keep_____ join______ find_______ think________ teach______ catch______ 3. 写出下列动词的现在分词形式： stay_______ begin______ forget_______ forget______ lie________ die _______ run_______ prefer______ give________ ring_______ dance______ hope_______ II. 用所给动词的适当形式填空： 1．I ________(write) to you as soon as I _______(get) to London. 2. He doesn’t feel well and ____________(not eat) any food this morning. 3. He ______ not _______(see) me come in, for he ___________(read) something with great interest. 4. I _________(let) you have the book as soon as I _________(finish) it. 5. While we ________(wait) for our teacher, a little boy ________(run) up to us. 6. Don’t make a noise. Grandpa __________(sleep). 7.It’s seven now, Tom’s family__________(watch) TV. 8. It ________(take) me two hours to finish my homework last night. 9. What ______ your mother _______(do) at eight yesterday evening? She _______(wash) clothes. 10. _______ it ______ (rain) when school was over yesterday? 11. What _______(do) _______ tomorrow? We ________ (play) football. 12. There ________ (be) a football match on TV this evening. 13. They said they ________ (visit) the Great Wall the next summer holiday. 14. Who _______ (dance) the best in your class? 15. Will you come if he _____________ (not come)? 16. The teacher told us the earth __________ (move) round the sun. 17. They _______ (have) a party in the garden if it ________ (not rain) tomorrow. 18 She ________ (buy) a sweater yesterday. 19. I don’t know if Mr.Wang ______ (go) to Shanghai tomorrow. If he _____ (go), I ______ (ask) him _______ (take) some books to my daughter, because she _______ (study) there. III单项选择： 1.The students will go to the Summer Palace if it _____ tomorrow. A.don’t rain B. doesn’t rain C. won’t rain 2. There _____ an English film next week. A. will have B. is going to have C. is going to be D. was going to be 3. The picture _______ nice. A. looks B. is looked C. look D. is looking 4. She ______ down and soon fell asleep. A. live B. lain C. laid D. lay 5. They _____ the office at nine yesterday morning. A. reached to B. arrived C. went D. get to 6. We shall go to Shanghai on business before you _____ back next week. A. wil come B. came C. would come D. come 7. Don’t smoke until the plane ______ off. A. takes B. took C. was taken D. is take 8. I saw her ____ the room this morning. A. to enter() B. entered C. enter D. enters 9.the teacher asked us ______ to school on time. A. to come B. coming C. come D. comes 10. John is always ______ others. A. help B. helping C. helps D. to help 11. He told us ______ at eight. A. working B. to work C. work D. worked 12. You’d better ______ at home and ______ your homework. A. to stay, do B. stay, do C. to stay, to do D. stay, to do 13. He sat down ______ a rest. A. having B. have C. to have D. had 14. Uncle Wang knows _______ a washing machine. A. how to make B. to make C. how making D. what to make 15. Jim decided _______ Polly to Ling Feng when he was back to England. A. to leave B. left C. leaving D. leave
第三人称单数问题 一般现在时中，当主语是第三人称单数时，即常在动词原形后加-s或-es。 第三人称单数变化，现归纳总结如下： 1.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。 2.单个人名、地名或称呼作主语；用第三人称单数。如： ①Han Mei looks like her mother.韩梅看起来像她的母亲。 ②Beijing is in China.北京在中国。 ③Uncle Wang often makes cakes.王叔叔经常做蛋糕。 4.不定代词someone, somebody, nobody, everything, something等及指示代词this, that作主语时，第三人称单数。 ①Everyone is here.大家到齐了。 ②There is something wrong with the watch.这块手表有毛病。 ③This is a pen.这是一支钢笔。 ④That is an eraser.那是一块橡皮擦。 5.不可数名词作主语时为第三人称单数。如： ①The milk is in the glass. ②The bread is very small. 动词原形变第三人称单数的规则与发音规律同名词单数变复数大致相同，请认真观察。 1、大多数动词在词尾加“S”如： ①stop－stops [s] ; make－makes [s] ②read－reads [z] ; play－plays [z] 2、以辅音字母加“y”结尾的，要先将“y”变为“i”，然后在加“es”读[iz] 如： fly－flies [z]； carry－carries [z] study－studies [z]; worry－worries 3、以“s, x, ch, sh”结尾的，在词尾加“es”，发音为[iz] 如： teach－teaches [iz]; watch－watches [iz] 4、以“o”结尾的动词，加“es”， 如： go－goes [z] do－does [z] 注：下面几个动词变为单数时，原词的元音部分的发音发生了较大的变化，请注意记忆。 如： 1、do [du:]－does [dz] 2、say [sei]－says [sez] 以不发音字母“e”结尾的开音节词，如果尾音是[s]，[z]时，加“s”后字母“e”发音，与所加“s” 一起读做[iz]。 如： close－closes [iz] 作业 I. 写出第三人称单数： wash_________ match _______guess______ study______ finish_________ go________ snow______ carry_________ II. 用所给动词的适当形式填空：
