动词三单变化专项练习

1、一、 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_ ( like ) collecti ng stamps.She has lunch at twelve.她十二点吃午餐。She_( get ) up at 6:00 o clock.It looks like a cat.它看起来像只猫。It_ ( take ) me an hour to do my homework.二、单个人名、地名或称呼作主语；是第三人称单数。如：1John looks like her father.约翰看起来像他的父亲。Sarah_ ( wal

2、k ) to a fast food restaura nt.2Beiji ng is in Ch ina. 北京在中国。_ ( be ) Chi natow n far from here3Uncle Wang often makes kites.王叔叔经常做风筝。My pen pal ofte n_ ( make ) model pla nes.三、 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：1A horse has four feet. 马有四条腿。(a horse 是单数可数名词)A dino saur_( be ) very t

3、all.2This book is yours. 这本书是你的。(this +单数可数名词 book)This stamp_ ( be ) ni ce.3That car is red.那辆小汽车是红色的。(that + 单数可数名词 car)That cat_( look ) like a hat.4The cat is Sarahs.这只猫是萨拉的。(the +单数可数名词 cat )The bird_( like ) si ngi ng.四、不定代词 some one, somebody, no body, everyth ing, someth ing ，nothing等及指示代词 t

4、his, that作主语时，是第三人称单数。如：1Every one is here. 大家到齐了。_ ( be ) every one here today2Something is wrong with the watch.这块手表有毛病。这句话也可写成 :There issomething wrong with the watch.Someth ing_ ( be ) wrong with my bike.3This is a pen.这是一支钢笔。This_( be ) my pen pal in Can ada.4That is an eraser.那是一块橡皮擦。_ ( be )

5、that Liu Yun speak ing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。The water_( be ) too hot.2The bread is very small.那面包很小。The meat_ ( be ) too expe nsive.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。“ 13 ” _ ( be ) an uniucky number.2L is a letter. I是个字母。“ O ” _( look ) like“ ze

6、ro ” .3One plus one is two.一加一等于二。Ten minus two_ ( be ) eight.一般现在时一一动词第三人称单数在一般现在时中，如果主语是第三人称单数，动词则需用第三人称单数形式；动词的否定句和疑问句要借助于助动词does 来构成。动词第三人称单数形式的变化规则：1一般情况下，直接在动词词尾加-s。例如： swim swimsget gets play plays make makes2以字母 s, x, o, ch 或 sh 结尾的动词，词尾加-es。例如：guessguessesfix fixes teach teacheswashwashes3以

7、“辅音字母+y”结尾的动词，先变 y 为 i，再加-es。例如：fly fliesstudy studies carry carries当主语是第三人称单数时的句型结构：1肯定句:主语+动词第三人称单数形式 +其他.例如： She likes En glish.2否定句:主语+ does not / does nt +动词原形+ 其他.例如： Sarahdoes ntlike diving.3一般疑问句：Does + 主语+动词原形+其他Does Amy likemak ing kites艾米喜欢制作风筝吗肯定回答：Yes,主语+does.否定回答：No,主语+doesnt.Yes, she

8、does. No, she doesn t.例如： Does he go to school by busYes, he does. / No, he does nt.4特殊疑问句：特殊疑问词+般疑问句如:Zhang Peng goes to the bookstore by subway.Does Zhang Peng go to the bookstore by subwayZhang Peng goes to the bookstore by subway.How does Zhang Peng go to the bookstore特别提示：当句中有助动词 does 出现时，动词要用

9、原形。如： She goes to school by bike.（改为否定句）She doesn t goes to school by bike. （因为句中 goes 没有改为动词原形， 所以这句话是错的.）正确的句子应该写成：She doesn t go to school by bike. Amy s mothergoes to work by car.（改为一般疑问句）Does Amy s mother goes to work by car （因为句中 goes 没有改为动词原 形，所以这句话是错的.）正确的句子应该写成：DoesAmy s mother goto work by

10、 car动词第三人称单数的变化规则及发音规律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”在清辅音后发音为s，在浊辅音及元音后发音为z。如:1清辅音 stop stops_s ; make makes s2浊辅音 read reads z; 元音 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。 如：fly flies_z ； carry carries_zstudy studies_z; worry worries z3、 以“ s, x, ch, sh ”结尾的，在

11、词尾加“ es”，发音为iz。女口：teach teaches iz; watch watches iz4、以“ o”结尾的动词，加“ es”，读z。如：go goes z do does z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。女口：1、do du: does dAz2、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。女口： close closes_iz用所给词的适当形式填空！1. _he_ （ live ） in the country（改为一般

12、疑问（提划线部分提Yes, he_2. What _ he _ ( like ) He _ ( like) diving.3. He _ ( live ) in the city.4. How _ ( do ) Sarah _ ( go ) to school5. Sarah s home _ ( be ) near. Usually she _ ( go ) to schoolon foot.6._ ( be )Zhang Peng s home near the post office7. We must _ ( stop ) when the red light is on. _ ( n

13、ot stop )at a green light.8. How _ ( do ) Zhang Peng and Sarah go to the park9. Red _ ( mean) “Stop ”. Yellow _ ( mean )“ Wait ” .10. In China, drivers _ ( drive ) on the right side of the road.12. Mike _ (want) to buy a pair of he _ (not have) any money.13. Sarah _ ( know ) how to put the flag on t

14、he school.14. Today _ ( be ) Sarah s birthday. She _ ( look ) very happy.16. Zip _ ( do not ) know where Chinatown _ ( be ).17. We _ ( be ) here. Look, here it _ ( be ).18. Zoom always _ ( tell ) Zip,“ Look before you leap. ”19. Zip _ ( be ) going to _ ( learn ) kung fu.20. Wu Yifan _ ( go ) to the

15、theme park every week.21. John _ ( visit ) _ ( he ) grandparents every weekend.22. What _ ( do ) Chen Jie usually do on Saturdays23. My cat _ ( have ) four small legs and two blue eyes.24. He always _ ( forget ) to close the door but I usually _( remember).25. My hobby is _ ( collect ) stamps.26._ (

16、 make ) kites is his hobby.27. This _ ( be ) an _ ( interest ) book.28. They _ ( read ) books every day. But I _ ( do ). J29. Mike _ ( think ) it s fun to walk on the moon.30. Mr. Chen _ (teach) us English. And Mr. Zhang _ (teach)usChinese.31. Somejuice _ ( be ) in the glass. But he _ ( like ) to dr

17、inkcoffee.32. Every day, Mum_ ( get ) up at 6:30 a.m., _ ( have ) breakfastat 7:00. Then, she _ ( go ) to work. She usually _ ( come ) homeat 6:00 . and _ ( make ) supper for us. We _ ( love ) our Mum.33. China s flag _ ( have ) five yellow stars.35. How many _ ( point ) have you _ ( get )36. Three boys _ ( like ) playing football. Two girls _ ( like )listening to music. One girl _ ( like ) collecting stamps.37. Mytwin sister Ann _ ( like ) drawing pictures and _ ( make)kites.38. My dad _ ( be ) a TV reporter. He _ ( l