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1、动词第二人称单数形式主语有三单，动词也有三单，快点来习惯，体会在心里，一定要过关、概念动词第三人称单数：主语是第三人称单数，即谓语动词的发出者是it、she、he、可数名词单数、不可数名词等表示单数概念的词时，实义动词后面要加-s或-eso （注意：若主语不是第三人称单数形式，就直接用动词原形；若主语是三单，后有will等情态动词修饰时，动词也用原形。）二、动词三单变化规则（只有一般现在时才有第三人称单数）动词第三人称单数的变化规则及发音规律，同名词单数变复数大致相同，请认真观察。1大多数实义动词在词尾加“ s”，在清辅音后发音为/ s / ,在浊辅音及元音因素后发音为/ z / o女口： s
2、peaks speaks Isl; come comes, /z/ ;play plays /z/2、 以辅音字母加“ y”结尾的动词，要先将“y”变为“ i”，然后再加“ es”，读/z/。女口： studyt studies /z/ ; fly flies /z/3、 以“ s, x, ch, sh”结尾的动词，在词尾加“es,发音为/ iz /。女口： teachr teaches /iz/ ;watch t watches /iz/4、以“ o”结尾的动词，在词尾加“ es”。常出现的两个以“ o”结尾的动词go和do后加“ es,读/z/ o女口： goT goes /z/ ;dot
3、does /z/5、 记住最为特别的be的三单is ; have的三单是has。注意（1下面两个动词变三单时，原词的元音部分的发音发生了较大的变化，要记忆。女口： do/du:/ t does/d z/ ; say/sei/ t says /sez/（2）以不发音字母“e”尾的开音节词，如果尾音是s, z时，力口 “s后字母“e发音,与所加 “s一起读做iz o 女口： close closesJiz三、动词第三人称单数的句子结构。三单+is +表语. 三单 +is+not+ 表语.1、肯定/否定句三单+动词第三人称单数+其他.三单+doesnt +动词原形+其他.2、一般疑问句1）当谓语动词
4、是 be动词时，一般疑问句结构为“ls+三单+表语？”。它的肯定回答为：Yes,三单+is.;否定回答为：No，三单+isnt.。2）当谓语动词是实义动词时，在肯定句句首加助动词does，即“ Does+三单+动词原形+No，三单 +doesnt.。其他？”。它的肯定回答为：Yes,三单+does.;否定回答为: 3、特殊疑问句特殊疑问词+一般疑问句四、要点1）一定要看准句子的主语是第三人称而且还是单数；2） 经常与频率副词连用：always （一直，总是），usually （通常），often （经常），sometimes （有时），seldom （很少），hardly （几乎不），neve
5、r （从不），once a day （一天一次），twice a week（一周两次），three times a month（个月三次）。如:l often speak Chinese.我经常说汉语。般现在时练习题I、写出下列动词的第三人称单数。go do buy buy carryplayteachmakecatchfindswimjumpbegi nhelpwashmisssingfin ishgivekeepdanceworrysithearmatchgethavelovelear ncryflystudycomecallsmilebewritestopope nchecklookdr
6、inkleave;readpickeatwalkstarttellpushdieliveshowborrowII、用动词的正确形式填空。1、I(go) home by bus.2、 Jack(go) home by bike.3、When(do) he get up?4、Her mum(run) to the dog.5、He(do no t)like apples.6、Sam(put) it under his arm.7、Kate(walk) to school every day.& Kitty(watch)TV everyday.9、John cant(find) his watch.
7、10、Where(do)Gra ndma live?11、Miss Wang(live) in America now.12、The girls_(give) the key to Sally.13、That key(ope n) the old box.14、 She(say) “like these apples”.15、What(do)Alice find?16、Which toy(do) she like?17、He doesn(kno w)her n ame.18.、Mike(cook ) in a restaura nt .19、He(speak ) Japa nese .20、H
8、ow does he(go)to the post office?21、He often(have ) dinner at home22、Liu Tao( do ) not like PE(体育).23、She(do) homework by herself.24、They(do) homework by themselves.25、We(not watch ) TV on Sun day .26、 Lucy and Lily(walk) to school every day.27、 David and Ben(be ) in Class Four ,Grade Seven .28、 The
9、 girl ( teach)us En glish on Sun days.29、There( be) some water in the bottle(瓶子)30、Su Hai and Su Yang(work ) in a shop(在商店)III、选择正确的单词填到括号里。1、 What does Candy(wants, want ) to be ?2、 He should nt(throw, throws ) rubbish on the floor( 草地)3、Peter(help, helps ) his mother with the housework( 家务)4、She n
10、ever(run, runs ) in the library( 图书馆)5、We will(fly, flies ) kites on this Sunday .6、Tom and Mary(has, have ) pen pals in China .7、They(speaks, speak ) English after class.8、 He(dont , does nt ) get up early .9、 What ( do, does ) your father do ?10、Let us(fly , flies ) kites on this Friday after noon
11、 .IVA :用括号里所给词的否定形式。1、The desk(have)four legs.2、She(do) her homework every day.3、Danny(fall) and breaks his tail.4、 He(live) in Shijiazhuang.5、 He(need) a pair of shoes.6、Danny(see) the apple tree.7、She(come) from America.8、My mother and father(walk) to the office every day.9、Danny and her mother so
12、metimes(go) for a walk after supper.10、The train(leave) at 10:13 am.11、That hat(look) like a cat.12、Danny(hurt) his nose.B:用括号里所给词的适当形式填空。1、the desk(have)four legs?2、 she(do)her homework every day?3、 he(live)in Beijing?4、 he(need)a pair of shoes?5、 Danny(see)the apple tree?6、 she(come)from America?7
13、、 the girl(look)out of the window and see many birds in the sky?8、 Jenny (run) home and(sit)on the chair?V、按要求改写句子。1、Daniel watches TV every evening .2、I do my homework every day .3、She likes milk .4、Amy likes playing computer games .5、He speaks English very well.6、She likes tak ing photos in the park.7、John comes from Canada.8、She is 11 years old,.9、Tom and Daniel are at school .VI、 改错(划出错误的地方，将正确的写在横线上)1. Is your brother speak En glish?2. Does he likes goi ng fishi ng?3. He like playi ng games after class._4. Mr. Wu teaches our En glish.5. She doesn t her homework on Sun days.
