小学英语句型转换和时态讲解与练习

1否定句：be动词（am、is、are）+not、情态动词can+not、助动词（do、does）+not如何将一个肯定的陈述句改为否定句：1、看句中有无be动词，如有，直接在be动词后+not。2、看句中有无情态动词，如有，直接在情态动词后+not。3、如上述二者都没有，就应用助动词+not。分四个步骤：（1）肯定陈述句中本来是没有助动词的，要加上去，位置在主语（某人或某物）后，动词前。（2）确定助动词用do、does，根据句中动词，动词是原形的助动词就用do，动词是第三人称单数的助动词就用does，（3）在助动词后加not。（4）原句中动词假如发生变化就要恢复成原形。强调一点，有some的要考虑是否要用any。1.IamTom.______________________________2.Heisnine.______________________________3.Theyarepupils.______________________________4.Icanflyakite.______________________________5.Hecanmakeatoy.______________________________6.Youmustgohomenow.______________________________7.IlikeJinan.8.Helikesswimming.9.Hehasmanybooks.10.Hehassomebooks.11.Thereisapenonthedesk.12.Therearesomewaterintheglass.______________________________13.Youhavegotsomebooks.___________________________________14.Youhavesomebooks.15.Hehasgotsomeapples.16.Hehassomeapples._________________________________________17.IliketowatchTV.______.18.XiaoFangandIgotothelibraryeverSaturday..19.Timswimsverywell.___________.20.Mr.Smithhasmanybooksaboutthecars..21.Iwanttoplaywithmyfriends..22.Wefeelcoldtoday._____________.23.BobreadsEnglisheveryday..24.Wedoourhomeworkatschool..25.Mr.Whitehastwohouses..2一般疑问句如何将一个肯定的陈述句改为一般疑问句：1、看句中有无be动词，如有，把be动词提到句首即可。2、看句中有无情态动词，如有，把情态动词提到句首即可。3、如上述二者都没有，就应把助动提到句首。分四个步骤：（1）肯定陈述句中本来是没有助动词的，要加上去，位置在主语（某人或某物）后，动词前。（2）确定助动词用do还是does，根据句中动词，动词是原形的助动词就用do，动词是第三人称单数的助动词就用does（3）把助动词后提到句首。（4）原句中动词假如发生变化就要恢复成原形。强调一点，有some的要考虑是否要用any。26.IamTom.______________________________27.Heisnine.______________________________28.Theyarepupils.______________________________29.Icanflyakite.______________________________30.Hecanmakeatoy.______________________________31.Youmustgohomenow.______________________________32.IlikeJinan.33.Helikesswimming.34.Hehasmanybooks.35.Hehassomebooks.36.Thereisapenonthedesk.37.Therearesomewaterintheglass.______________________________38.Youhavegotsomebooks.___________________________________39.Youhavesomebooks.40.Hehasgotsomeapples.41.Hehassomeapples._________________________________________42.IliketowatchTV.______.43.XiaoFangandIgotothelibraryeverSaturday..44.Timswimsverywell.___________.45.Mr.Smithhasmanybooksaboutthecars..46.Iwanttoplaywithmyfriends..47.Wefeelcoldtoday._____________.48.BobreadsEnglisheveryday..49.Wedoourhomeworkatschool..50.Mr.Whitehastwohouses..3特殊疑问句表示疑问，有疑问词（在开头），回答有很多种可能。常用疑问词：疑问词意思用法Whattime什么时间问具体时间，如几点钟Who谁问人Whose谁的问主人Where在哪里问地点What什么问东西、事物Whatcolour什么颜色问颜色Howold多大年纪问年纪Howmany多少数量（可数名词）问数量Howmuch多少钱；多少数量（不可数名词）问多少钱或数量（不可数）一、选择正确的单词填空(who,where,when)1._____isthatprettygirl?Sheismysister.2._____areJackandTom?Theyarebehindyou.3._____doyougotoschool?IgotoschoolfromMondaytoFriday.4._____hasabeautifulflower?Johnhasabeautifulflower.5._____arethey?Theyaremyparents.6._____ismymother?Sheisinthelivingroom.7._____areyougoing?Wearegoingtothebakery(面包坊).8._____doJimandWendyplayball?Theyplayballintheafternoon.9._____doeshejog?Hejogsinthepark.10._____areyoufrom?I'mfromChangchuncity.二．用whattime,whatcolor,whatday,what填空。1.A:_____________isit?B:Itisnineo’clock.2.A:_____________doesyourmothergetup?B:Mymothergetsupat6:30.3.A:_____________doyougotobed?B:Igotobedat10:00.4.A:_____________doDianaandFionahavesupper?B:DianaandFionahavesupperat18:00.5.A:_____________isit?B:Itispurple.6.A:_____________isthesky?B:Theskyisblue.7.A:_____________isyourcoat?B:Mycoatisblack.8.A:_____________isthedog?B:Thedogiswhite.9.A:_____________istoday?B:TodayisMonday.10.A:_____________istomorrow?B:TomorrowisTuesday.11.A:_____________wasyesterday(昨天)?B:YesterdaywasSunday.12.A:_____________doyoulike?B:Ilikered.13.A:______isthis?Thisisacomputer(电脑).14.A:______areyoudoing?B:Weareplayingbasketball.15.A:______doesyourmotherdo?B:Mymotherisapolicewoman.16.A:______arethose?B:Thosearepeppers(辣椒).17.A:______isinthebox?B:Alovelydollisinthebox.418.A:______isonthetable?B:Theappleisonthetable.19.A:______isintheclassroom?Theblackboardisintheclassroom.20.A:__________________?B:Maryishungry.21.A:______________________________?B:Myfavoritecolorispink.22.A:________________________?B:Nickisplayingtabletennis.三、就画线部分提问1.Heismyfather.2.Theyareunderthetree.3.IoftenwatchTVafterdinner.(晚饭后)(提示：饭后强调的是时间问题。)4.Lilyswimsintheswimmingpool.(游泳池)5.Supermanfliesinthesky.6.Ioftenbrushmyteethintheevening.7.AlanlikestoplaywithBill.8.Joe'sfatherplaysbadminton(羽毛球)everyweekend.9.Thesupermarketisneartheschool.10.Thelaptop(笔记本电脑)isonthetable.11.Jenniferhasapairofearrings(耳环).12.Theflowersareintheflowerpot(花盆).13.Mygrandpatookustothezoo.14.Iputthegoldfish(金鱼)intothefishtank(鱼缸).15.Themonkeysleepsatnight.四．连线：（Match）1.What’sonthechair?Thereisabookinthebag.2.Howisyourfather?Theseareapples.3.Whatarethese?Igotoschoolbybus.4.Whatisinthebag?Theradioisonthechair.5.Howdoyougotoschool?Myfatherisfine.6.Howmuchisit?Iwashmyfaceinthemorning.7.Whattimeisit?Ihavetwohands.8.Whendoyouwashyourface?Itisfouro’clock.9.Howmanyhandsdoyouhave?Itis5RMB(人民币).10.Whendoyouhavelunch?Ihavelunchatnoon.5句型转换练习:一、按要求完成句子（要求：A：改为一般疑问句B：改为否定句）1.Iamastudent.→A:B:2.TheyareEnglishcars.→A:B:3.Thisisapencil-box.→A: