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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____________________________________________三、肯定句改特殊疑问句的方法——四步法1、在一般疑问句的基础上，句首添加一个疑问词即可，可根据划线部分确定是什么疑问词。2、接着找be动词或can，等放在疑问词后面，若没有则请助动词do/does帮忙，写在疑问词后面，howmany除外，必须先写物品，再写be动词等。3、划线部分去掉后剩下的内容照抄，（some改成any，my改成your等）4、句点改成问号。句型转换题1.Thegirlissingingintheclassroom.(改为否定句）(改为一般疑问句)2.Theyarelookingforbag.(对画线部分提问）3.Iamridingmybikenow.(同上）4.Therearetwelvestudentsoverthere.(同上）5.IcanspeakEnglish.(改为一般疑问句）6.Iamwritingnow.(同上）7.Ihaveadeskandachair.(用He做主语改写句子）8.Sheisbuyingsomefoodinthesupermarket.（改为否定句）9.Iamill.（对画线部分提问）10.Doesshelikegrowingflowers?（给予否定回答）11.IwillmakemodelplaneswithmyclassmatesonSunday.(对画线部分提问）12.Thegirldancesbeautifully.（改为感叹句）13.Thewaiterandthewaitressplaytabletenniseveryday.(改为否定句）14.Theboyisstandingontheman'sshoulders.(改为一般疑问句）15.It'steno'clock.(.(对画线部分提问）关于特殊疑问词组针对人提问（谁）who地点（何地）where时间（何时）whenwhattime方式方法程序（怎样）how年龄howold可数名词问多少Howmany不可数名词问多少，多少钱Howmuch东西职业事物(什么)what颜色whatcolor班级whatclass年级whatgrade时间whattime选择某个whichwhichclass练一练1、A:_______istheboyinblue?B:He’sMike.2、A:_______penisit?B:It’smine.3、A:_______isthediary?B:It’sunderthechair.4、A:___istheChirstmasDay?B:It’sonthe25thofDecember.5、A:_______aretheearphones?B:Theyare25yuan.6、A:_______isthecup?B:It’sblue.7、A:_______isittoday?B:It’sSunday.8、A:_______wasityesterday?B:Itwasthe13thofOctober.9、A:_______thisredone?B:It’sbeautiful.10、A:CanIhavesomepaperandsomecrayons?B:_______?11、A:_______isyourcousin?B:He’s15yearsold.12、A:_______doyouhavedinner?B:At6o’clock.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.Heisthirtykilos.（对画线部分提问）8.Turnrightatthethirdcrossing.（改为否定句）9.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)37.ItishotinsummerinNewYork.（对画线部分提问）38.LiuTaoneedssomepencils.（改为否定句）39.SheisanEnglishgirl.（变为复数）40.Theyareourwomendoctors.（变为单数）41.Marycanfly.（变为一般疑问句，并作否定回答）42.Ilikeplayingfootball.（改成第三人称单数he）43.Hehasabrother.（改为一般疑问句）44.Nancydrewsomepicturesyesterday.（改为否定句）45.LiuTaousuallyreadsnewspaper.（改为过去时）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