动词第三人称单数形式

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1、动词第三人称单数形式 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.一、 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-es。（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 /。

2、 如：speakspeaks /s/ ; comecomes /z/ ; playplays /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/。 如：studystudies /z/ ; flyflies /z/ 3、 以“s，x，ch，sh”结尾的动词，在词尾加“es”，发音为/ iz / 。 如：teachteaches /iz/ ; watchwatches /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/ 。 如：gogoes /z/ ; dodoes /z/ 5、 记住最

3、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。 如：do/du:/ does/d z/ ; say/sei/ says /sez/ （2）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： closecloses iz 三、 动词第三人称单数的句子结构。1、 肯定/否定句 三单+is +表语 . 三单+动词第三人称单数+其他 . 三单+is+not+表语 . 三单+doesnt +动词原形+其他 .2、 一般疑问句 1）当谓语动词是be动词时，一般

4、疑问句结构为“Is+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+ 其他？”。它的肯定回答为：Yes，三单+does.;否定回答为：No，三单+doesnt.。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），never (从不

5、），once a day (一天一次），twice a week(一周两次），three times a month(一个月三次）。 如:I often speak Chinese. 我经常说汉语。练习题I、写出下列动词的第三人称单数。go do buy draw shout play teach make catch find swim jump begin dig help miss sing finish give keep dance worry sit hear match get have love learn cry fly study come call smile be wr

6、ite stop open check look drink leave read pick eat walk start tell push die _ live _ show vote judge buy _ carry_ borrow listen wash II、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 goose.5、He_(do not)like apples. 6、Sam_(put) it under his

7、 arm.7、The boy_(chase) it. 8、Kitty_(watch)TV everyday.9、John cant_(find) his watch. 10、Where _(do)Grandma live?11、Miss Wang_(live) in America now. 12、The girls_(give) the key to Sally.13、That key _(open) the old box. 14、She _(say) “I like these puppets”.15、What_(do)Alice find? 16、Which toy_(do) she

8、like?17、He doesnt_(know)her name. 18.、Mike _( cook ) in a restaurant . 19、He_( speak ) Japanese . 20、How does he_(go)to the post office?21、He often _( have ) dinner at home . 22、Liu Tao _ ( do ) not like PE(体育）.23、She _(do) homework by herself. 24、They _ (do) homework by themselves.25、Kate _ (walk)

9、to school every day. 26、Lucy and Lily _ (walk) to school every day.27、David and Ben _(be ) in Class Four ,Grade Seven .28、The girl _（teach） us English on Sundays.29、He_(feed)them at 8:00 in the morning.30、She _( ride ) to school from Monday to Friday .31、We _ (not watch ) TV on Sunday .32、Su Hai and

10、 Su Yang _(work ) in a shop(在商店）.33、There_( be) some water in the bottle(瓶子）.34、The giant（巨人）_(climb) up the beanstalk（豆茎）.35、Michael usually_ (listen) to the radio in the morning.III、选择正确的单词填到括号里。1、 What does Candy _(wants, want ) to be ?2、 He shouldnt _ (throw, throws ) rubbish on the floor(草地）.3、

11、 Peter _ (help, helps ) his mother with the housework(家务）.4、 She never _(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 , doesnt ) get up early .9、 What _( do,

12、 does ) your father do ?10、 Let us _(fly , flies ) kites on this Friday afternoon .IV、将下列句子改为第三人称He的句型（看例句）。例句：I brush my teeth once a day .He brushes his teeth once a day .1、 I come from China. _2、 You have a big black knife. _3、 What do you do ? _4、 Our parents work in an office . _5、 What color a

13、re your clothes ?_V、A：用括号里所给词的适当形式。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)

14、to the office every day.9、Danny and her mother sometimes _ _ (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。1、_ the desk_(have)four legs? 2、_she_(do)her homework every day?3、_he_(live)in Beijing?4、_he_(n

15、eed)a pair of shoes?5、_ Danny_(see)the apple tree?6、_she_(come)from America?7、_the girl_(look)out of the window and see many birds in the sky?8、_Jenny （run）home and_(sit)on the chair?VI、按要求改写句子。1、 Daniel watches TV every evening .(改为否定句） _2、 I do my homework (家庭作业）everyday .(改为一般疑问句，作否定回答） _3、 She l

16、ikes milk .(改为一般疑问句，作肯定回答） _4、 Amy likes playing computer games .(改为一般疑问句，作肯定和否定回答） _5、 We go to school every morning .(改为否定句） _6、 He speaks English very well. (改为否定句）_7、 She likes taking photos in the park(公园）.(对划线部分提问） _8、 John comes from Canada.(对划线部分提问）_9、 She is always a good student.(改为一般疑问句，作

17、否定回答） _10、 Simon and Daniel like going shopping .(改为否定句，一般疑问句)_VII、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 like playing games after class. _ _ _4. Mr. Wu teaches us English. _ _5. She dont do her homework on Sundays. _ _VIII、根据所给中文意思，在空白处填入适当词语完

18、成句子。每空一词。1该吃晚饭了。Its time to _ _.2你想来点儿面包吗?Would you _ some _ ?3安太小，还不能上学。Ann is _ young _ go to school.4约翰跑得和我一样快。John runs _ fast _ me.5布莱克太太经常在英语上帮助我们。Mrs. black often _ us _ our English .6老师让我们每天说英语。The teacher tells us _ _ English every day.7为什么不让孩子们做他们喜欢的事情?_ _let the children do what they like

19、?8 . 你能告诉我你的新同学是谁吗？_ you _ me _ is your new _?9 . 我能很会说汉语，但我只能讲一些英语和日语。 I can _ Chinese very _ , _ I only can speak _ _ and _ .10 . 他在心里说了什么？_ _ he _ in the letter ?他想要参观中国长城。He _/_ _ to _ the _ _ .11 . 我们互相帮忙。 We _ _ _ .13 . 他住在英国吗？_ he _ _ England ?是的，他是。_ , _ _ .14 . 我和我哥哥住在一起。 I _ _ _ brother .15 . 这个老人一点都不喜欢棕色。This _ man _ _ brown _ _ .