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1、句型转换的方法专题具体冇单复数转换，肯定句和一般疑问句与否定旬Z间的转换，特殊疑问句中对时间、地点、人物、日期、数量、方法等的提问,学习who,where,when,how,why,howmuch,howmany等疑问代词的用法。一、肯定句改否定句的方法——一步法1在be动词后加not。女口：isnot,arenot,amnot,wasnot,werenot:2、在con,should,will,may,could等后加not。如：cannot,shouldnot,willnot；3、上述都没有的，在动词前加助
2、动词否定形式doit/doesn,t/didn't。•般现在吋态中，非单厂时川do,单厂时川does。4、some改成any。把下面的句了变成否定句。l.SheiswatchingTVnow・2.WegotoschoolonSunday.3.Hisfatherworkshard.4.Pleaseturnoffthelight.5.Thecatrunsfast.6.Thewaiterandthewaitressplaytabletenniseveryday.7・IcanspeakEnglish.8.Iwillma
3、kemodelplaneswithmyclassmatesonSunday.二、肯定旬改一燉疑问句的方法——三步法1、把be动词放在句首，剩下的照抄，（some改成any,my改成youi•等）句点改成问号。2^把can,shall,will等放到句首，剩卜的照抄，（some改成any,my改成youi•等）句点改成问号。例如：陈述句：Theyareinthepark.Hecanplaytheguitar..般疑问句：Aretheyinthepark?Canheplaytheguitar?把下列句子变成一般疑问
4、句1.1amlisteningtomusic.2.Sarahcancleantheclassroom.3.1willmakemodelplaneswithmyclassmatesonSunday.5.Therearesomeflowersinthevase.6.Thisismysister.（并作肯定回答）7.Wearesweepingthefloor;3、上述都没有的，在句首请助动词Do/Does/Did帮忙，剩I、•的照抄，（some改成any,my改成your等）句点改成问号。一般现在时态中，•单二时用d
5、o,单•:时用does。例如：陈述句：Iliketheducks.Helikesthedogs.—般疑问句：Doyouliketheducks?Doeshelikethedogs?把卜列句子改为一般疑问句。1・Weneedsomemasks.2.Theylikemakingthepuppet.3.SuHaiandSuYangliveinanewhouse.4.1putabookonmyhead・5.Theysing"Intheclassroom^together.6.WeplaybasketballonSund
6、ays・7.Tomlikeslisteningtomusic.在一般疑问句中，耍表达“一些”时，一・般用any,但如果这个问句是用来表达“建议、请求、邀请”等交际功能时，应该用some例如：Isthereanyteainthecup?MayThavesomefish?练习：用some和any填空1.Doyouhavechildren?2.Wouldyouliketea?3.Shallwebuyvegetables?4.CanIborrowmoneyfromyou?5.Whynothavebread?3单复数转换
7、Tips:句子单数变复数，注意以下五要素⑴主格人称代词要变成相应的复数主格人称代词,E
8、JI-*wc,you-*you,she,he,it—they。女［1:SheisagirL—Theyaregirls.（2）am,is要变为are。如：rmastudent.-*Wearestudents.（3）不定冠词a,an要去掉。如：Heisaboy.—Theyareboys.（4）普通单数名词要变为复数形式。如：Itisanapple,fTheyareapples.（5）指示代词this,that要变为these,t
9、hoseo如：Thisisabox・—Theseareboxes.1.Thewomanisanurse.（改为复数句）The■2.Therearesomeoldcarsbehindthehouse.（改为单数句）Thereoldbehindthehouse.3.Hehasanewbook.（改为复数句）new.4.AretheseyourEnglish-Chinesedictionar
