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1、第三人称单数一般现在时中，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：Han Mei looks like her mother.韩梅看起来像她的母亲。Beijing is in China.北京在中国。(3)Uncle Wang often makes cakes.
2、王叔叔经常做蛋糕。3 .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。A horse is a useful animal.马是有用的动物。This book is yours.这本书是你的。The cat runs fast.这只猫跑得很快。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。Everyone is here.大家到齐了。There is something wrong with the watch.这块手表有毛病。
3、(3)This is a pen.这是一支钢笔。That 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： The milk is in the glass.The bread is very small.6 .当数字或字母作主语时，看作第三人称单数。如：“6 is a lucky number. “6”是个吉利数字。T is a letter. T是个字母。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：stopstops s ; makemakes sread-reads z ; play
4、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 - worries3、以 “s, x, ch, sh” 结尾的，在词尾加 “es”，发音为iz如：teachteaches iz; watchwatches iz4、以 “o” 结尾的动词，加 “es”，如：gogoes 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
5、母“e”结尾的开音节词，如果尾音是s,时，加“s”后字母“e”发音，与所加“s”一起读做iz。 如： closecloses iz动词变第三人称单数名词单数变复数一般情况+ S清辅音结尾：M一般情况+ S清辅音结尾：s浊辅音结尾：浊辅音结尾：辅音+y辅音+iesZ辅音+y辅音+iesZ0+esz0多数+sz个别+ess, x, ch, sh+esizs, x, ch, sh+esizf,fevesvzExercises：I. Fill in the blanks with the proper form of the words given in brackets.1. He TV every
6、 evening, (watch)2. We always to school on foot, (go)3. Tom, with his classmates, often football after school, (play)4. Your shoes under the bed. (be)5. here and by me. (come, stand)6. His uncle usually to work by bus. (go)6.1 always up at six in the morning.(get)8. John like his father, (look)9. Wh
7、at time his father(do) the work?10. He(brush) his teeth every morning?11. Tom( study ) English, Chinese, Maths, Science and Art at school.12. Kitty sometimes(go) to the park with his sister.13. How many lessons your classmates( have ) on Monday?14. Let him(play)basketbalL15. Everyone(know)what he re
8、ally like.16. Those girls(be)my sister.17. That girl(call)me every Sunday.18. Jenny runs home and(sit)on the chair.IL Multiple Choice()1.you have a book?A. Do B. Are C. Is D. Have()2. They on a farm.A. working B. is work C. work D. is worked()3. Does Peter like to watch TV?.A. Yes, he like B. No, he
9、 doesn t C. Yes, he d like D. No, he likes()4. She doesn t her homework in the afternoon.A. doing B. to do C. does D. do)5. How Mr. Brown to America?A. do,go B. is,go C. does,go D. does,goes)6. Where s my camera? I it.A. am not finding B. am not seeing C. can t find D. can t look at )7. How he go to
10、 work? He to work by bike.A. does ;go B. do;goes C. do ;go D. does;goes)8.you usually late for school? No,.A. Do ; I am B. Does ;not C. Are ; I m not D. Are ; I aren t )9.she home at six every day?A. Is , leave B. Does , leave C. Is , leaves D. Does , left )10. Mr. Yang English this term.A. teaches
11、our B. teaches us C. teachs us D. teach ourIII. complete sentences1 .该吃晚饭了。It，s time to.2 .你想来点儿面包吗？Would you some?3 .安娜太小，还不能上学。Ann isyoung go to school.4 .约翰跑得和我一样快。Johnas fast as me.5 .布莱克太太经常在英语上帮助我们。Mrs. black oftenus our English .IV. change the following sentence into negative and simple quest
12、ions Negativesl.She(do)her homework every day.2 .He(live)in HuangGang.3 .He(need)a pair of shoes.4 .Danny(see)the apple tree.5 .She(come)from America.6. The desk(have)four legs.7. That hat(look) like a cat.Simple questions:1 .the desk(have)four legs? Yesjt.2 .she(do)her homework every day? Yes,she.3 .he(live)in HuangGang? No,he.4 .he(need)a pair of shoes? No,he.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(do) her homework?