在一般現(xiàn)在時中,當主語是第三人稱單數(shù)時,謂語動詞要用第三人稱單數(shù)形式,即常在動詞原形后加-s或-es.但有些同學們對于哪些主語是第三人稱單數(shù)還不十分清楚,現(xiàn)歸納總結如下：一、人稱代詞he,she,it是第三人稱單數(shù).如：He likes watching TV.他喜歡看電視.She has lunch at twelve.她十二點吃午餐.It looks like a cat.它看起來像只貓.二、單個人名、地名或稱呼作主語；是第三人稱單數(shù).如：①Han Mei looks like her mother.韓梅看起來像她的母親.②Beijing is in China.北京在中國.③Uncle Wang often makes cakes.王叔叔經(jīng)常做蛋糕.三、單數(shù)可數(shù)名詞或"this / that / the+單數(shù)可數(shù)名詞"作主語時,是第三人稱單數(shù).如：①A horse is a useful animal.馬是有用的動物.②This book is yours.這本書是你的.③That car is red.那輛小汽車是紅色的.④The cat is Lucy's.這只貓是露茜的.四、不定代詞someone,somebody,nobody,everything,something等及指示代詞this,that作主語時,是第三人稱單數(shù).如：①Everyone is here.大家到齊了.②There is something wrong with the watch.這塊手表有毛病.③This is a pen.這是一支鋼筆.④That is an eraser.那是一塊橡皮擦.五、不可數(shù)名詞作主語時為第三人稱單數(shù).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、當數(shù)字或字母作主語時,看作第三人稱單數(shù).如：①"6" is a lucky number."6"是個吉利數(shù)字.②"I" is a letter."I"是個字母.鞏固練習題：I.寫出下列動詞的相應形式：1.第三人稱單數(shù)：wash_________ match _______guess______ study______ finish_________ go________ snow______ carry_________ 2.寫出下列動詞的過去式：stop______ see________ drive ________let_______ carry______ keep_____ join______ find_______ think________ teach______ catch______ 3.寫出下列動詞的現(xiàn)在分詞形式：stay_______ begin______ forget_______ forget______ lie________ die _______ run_______ prefer______ give________ ring_______ dance______ hope_______ II.用所給動詞的適當形式填空：1．I ________(write) to you as soon as I _______(get) to London.2.He doean’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 _________(l;et) 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 niose.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單項選擇：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