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初中英语句型转换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.有be动词/情态动词：在be动词/情态动词后后加not。2.无be动词/情态动词，在动词前加don’t/doesn’t/didn’t。3.some改成any。4.情态动词：can，will，should，must，may。把下列句子变成否定句：1.Iamlisteningtomusic._______________________________________2.Mikeisastudent._______________________________________3.Sarahcancleantheclassroom.________________________________________4.Theyareinthezoo.________________________________________5.Therearesomeflowersinthevase.________________________________________6.Thisismysister._________________________________________7.Wearesweepingthefloor.__________________________________________8.Weneedsomemasks._________________________________9.Theylikemakingthepuppet._________________________________10.SuHaiandSuYangliveinanewhouse._________________________________________________11.Iputabookonmyhead._________________________________________________12.Theysing“Intheclassroom”together._______________________________________________13.WeplaybasketballonSundays._________________________________________________14.Tomlikeslisteningtomusic____________________________________________二、肯定句改一般疑问句的方法——三步法1.有be动词/情态动词：be动词/情态动词提到句首，其余照抄，(some改成any，my改成your）句末用问号。2.无be动词/情态动词，在句首加Do/Does/Did，其余照抄，(some改成any，my改成your）句末用问号。3.加Does、did的句子注意，句子动词要变成原型。例如：陈述句:Theyareinthepark.Hecanplaytheguitar..一般疑问句:Aretheyinthepark?Canheplaytheguitar?陈述句:Iliketheducks.Helikesthedogs.一般疑问句：Doyouliketheducks?Doeshelikethedogs?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.__________________________________________8.Weneedsomemasks._________________________________9.Theylikemakingthepuppet._________________________________10.SuHaiandSuYangliveinanewhouse._________________________________________________11.Iputabookonmyhead._________________________________________________12.Theysing“Intheclassroom”together._______________________________________________13.WeplaybasketballonSundays._________________________________________________14.Tomlikeslisteningtomusic____________________________________________三、肯定句改特殊疑问句的方法——四步法关于特殊疑问词问人（谁）who地点（何地）where时间（何时）when、whattime东西/职业/事物(什么)what方式方法程序身体（怎样）how年龄howold..怎么样（提建议）Howabout多少钱Howmuch谁的whosebook问星期whatday问日期whatdate问数量多少(可数名词)Howmanypeople问数量（不可数名词）Howmuchwater颜色whatcolor班级whatclass年级whatgrade时间whattime哪一个whichwhichclass1、根据划线部分确定是什么疑问词,后面写原句变成的一般疑问句，句末问号。2、howmany后必须先写物品，再写一般疑问句等。3.如果划线部分是动词，则选练一练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:_________________?A:Iwanttomakeakite.12.A:_______isyourcousin?B:He’s15yearsold.13、A:_______doyouhavedinner?B:At6o’clock.综合练习：1.Thechildrenhaveagoodtimeinthepark.否定句：___________________________________一般疑问句：___________________________________2.Thereareaboutninehundredpeopleattheconcert.(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.Anndoesherhomeworkeveryevening.否定句：__________________________________________一般疑问句：________________________________________对划线部分提问：____________________________________5.IreadanEnglishbookeveryday.否定句：__________________________________________一般疑问句：________________________________________肯定/否定回答：____________________________________对划线部分提问：____________________________________6.Mybrotherisintheparknow.否定句：__________________________________________一般疑问句：________________________________________肯定/否定回答：____________________________________对划线部分提问：____________________________________7.Shehassomebreadforlunchtoday.否定句：__________________________________________一般疑问句：_________________________________肯定/否定回答：____________________________________8.TheyreadEnglisheveryday.否定句：___________________________________一般疑问句：________________________________________肯定/否定回答：____________________________________对划线部分提问：____________________________________句型转换题一：1.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.Therearetwelvestudensoverthere.(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.Doesshelikegro