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小学英语所有句型转换的方法基本助动词只有三个：be,do,have,他们没有词汇意义，只有语法作用，如协助构成进行体，完成体，被动态，否定句，疑问句等。一、肯定句改否定句的方法——一步法1、在be动词后加not。如：isnot，arenot，amnot，wasnot，werenot；2、在can，等后加not。如：cannot3、上述都没有的，在动词前加助动词否定形式donot,doesnot.(don’t/doesn’t)4、some改成any。二、肯定句改一般疑问句的方法——三步法1、把be动词放在句首，剩下的照抄，（some改成any，my改成your等）句点改成问号。2、把can，等放到句首，剩下的照抄，（some改成any，my改成your等）句点改成问号。例如：陈述句:Theyareinthepark.Hecanplaytheguitar..一般疑问句:Aretheyinthepark?Canheplaytheguitar?把下列句子变成一般疑问句1.Iamlisteningtomusic._______________________________________2.Mikeisastudent._______________________________________3.Sarahcancleantheclassroom.________________________________________4.Theyareinthezoo.________________________________________5.Therearesomeflowersinthevase.________________________________________6.Thisismysister._________________________________________7.Wearesweepingthefloor.__________________________________________3、上述都没有的，在句首请助动词Do/Does帮忙，剩下的照抄，（some改成any，my改成your等）句点改成问号。例如：陈述句:Iliketheducks.Helikesthedogs.一般疑问句:Doyouliketheducks?Doeshelikethedogs?把下列句子改为一般疑问句。1.Weneedsomemasks._________________________________2.Theylikemakingthepuppet._________________________________3.SuHaiandSuYangliveinanewhouse._________________________________________________4.Iputabookonmyhead._________________________________________________5.Theysing“Intheclassroom”together._________________________________________________6.WeplaybasketballonSundays._________________________________________________7.Tomlikeslisteningtomusic____________________________________________4.Iputabookonmyhead._________________________________________________5.Theysing“Intheclassroom”together._________________________________________________6.WeplaybasketballonSundays._________________________________________________7.Tomlikeslisteningtomusic____________________________________________1.HedoeswellinMaths.(改为否定句)2.MikerunsasfastasBen.（改为一般疑问句）3.Igetupatsixthirtyeveryday.（用yesterdaymorningeveryday）4.JimisgoodatEnglishandMaths.（对画线部分提问）5.Benrunsfast.Irunfaster.（两句合并为一句）6.Thepolicemancaughtthethief.（改为一般疑问句，作否定回答）7.Turnrightatthethirdcrossing.（改为否定句）8.HowcanIgettotheshoppingcentre?（改为同义句）10Thecomputerisverynice.（改为感叹句）11.AretheyAmericancars?（改为单数）12.Don’tgoalongthisstreet.（改为肯定句）14.Thepolicemancaughtthethief.（改问现在进行时）15.Igettotheshoppingcentrebybus.（对画线部分提问）16.Italwaysrainsinsummerthere.（改为一般疑问句，作肯定回答）17.It’scoldinwinterthere.（对画线部分提问）18.Ilikeautumnbest.（改为否定句）19.Doyoulikespring?（加上winter改为选择疑问句）20.SuYangisaskingBensomequestions.（对画线部分提问）21.Pleaseturnoffthelight.（改为否定句）22.Iknowhistelephonenumber.（改为一般疑问句）23.Itisafinedaytoday.（改为感叹句）24.Thechildrenhaveschooltoday.（改为否定句）25.I’dliketojointhem.（改为一般疑问句）26.Theyaregoingtoseeafilmtomorrow.（对画线部分提问）27.Ilikecollectingstampsandsinging.（改为否定句）28.Heoftencleanshisbedroom.（改为一般疑问句）29.LiuTaoiswateringflowersinthegarden.（对画线部分提问）30.DavidandMikearegoingtoplantingtreesthisafternoon.（对画线部分提问）31.Hedidhishomeworkintheclassroom.（改为否定句）32.WangBingisheavierthanGaoShan.（对画线部分提问）33.TomjumpsasfarasMike.（改为否定句）34.Iseeamanbehindme.（改为一般过去时）35.Helenisgoodatsinging.（同义句）36.Theboycanjumphigherthanthegirl.(改为否定句)1.Thechildrenhaveagoodtimeinthepark.否定句：__________________________________________一般疑问句：________________________________________2.Therewereaboutninehundredpeopleattheconcert.(音乐会)否定句：__________________________________________一般疑问句：________________________________________对划线部分提问：____________________________________3.Thereisonlyoneproblem.否定句：__________________________________________一般疑问句：________________________________________肯定/否定回答：____________________________________4.Anndidherhomeworkyesterdayevening.否定句：__________________________________________一般疑问句：________________________________________对划线部分提问：____________________________________5.LastweekIreadanEnglishbook.否定句：__________________________________________一般疑问句：________________________________________肯定/否定回答：____________________________________对划线部分提问：____________________________________6.Mybrotherwasintheparkjustnow.否定句：__________________________________________