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Be动词•Be动词amisareIsheheitTomthedog单数名词wetheythecats复数名词Can情态动词1.Icanread.2.Shecandraw.3.Theycanjump.4.Wecanhop.他们会跳。我们会单腿跳。我会读书。她会画画。Do助动词dodoes原形第三人称1.Doyoulikeapples?Yes,Ido.肯定回答No，Idon’t.否定回答Yes,she.肯定回答No，she.否定回答2.shelikebananas?Doesdoesdoesn’t一般疑问句,即yes/no问句1.把关键词（如：am、is、are、have、has、can）放在句子的开头，句尾改为“？”但要注意一、二人称的转换。2、将人称变换，第一人称变第二人称（I→you,we→you,my→your,our→your），第三人称不变canplaybasketball.→canplaybasketball.→Canplaybasketball?canhelpyou.→canhelpyou.→Canhelpme?canplayfootball.→canplayfootball.→Canplayfootball?Judgeandanswer判断下面的句子是否是一般疑问句，为什么？1.Areyouastudent?2.Isithisrabbit?3.What’sthatoverthere?4.Cantheyswim?5.Doyouhaveastorybook?6.Thisisatoybear,Ithink.AreIs×CanDo×????找到了第二步：提提be动词、can、到句首（大写）①“句号”改“问号”②如果有第一、第二人称，则互改。第三步：改其他照抄一字不漏第四步：抄第一步：找找be动词、can如何改一般疑问句？勿忘be动词小诗Dosomeexercise把下面的句子改成一般疑问句：1.Thisisanicepear.3.Iamagoodboy.2.Thatisanice-cream.4.IamfromLondon.5.Thebearandthecatarecute.6.Thefivefatdogsareonthedesk.Isthisanicepear?Isthatanice-cream?Areyouagoodboy?AreyoufromLondon?Arethebearandthecatcute?Arethefivefatdogsonthedesk?Dosomeexercise把下面的句子改成一般疑问句：7.Heismyfriend.9.Thatisyourstorybook.8.Sheismyteacher.10.Itisyourumbrella.11.Thisismysister,Nancy.12.Heismyaunt,MrsBlack.Isheyourfriend?Issheyourteacher?Isthatmystorybook?Isitmyumbrella?Isthisyoursister,Nancy?Isheyouraunt,MrsBlack?1.Sheisapupil.Issheapupil?2.Icanseeastar.Canyouseeastar?3.Mymotherisateacher.Isyourmotherateacher?一般疑问句的肯定回答、否定回答。Yes,…+关键词。No,…+关键词+not.1.Issheapupil?2.Canyouseeastar?Yes,sheis.No,sheisnot./No,sheisn`t.Yes,Ican.No,Icannot./No,Ican`t.