如果有人问你，你今年是九岁吗，你会怎么回答？ 你一定会说，是或者不是。 这种只回答“是”或者“不是”的问句，在英语就叫做一般疑问句。 一般疑问句 陈述句变一般疑问句，要分几种情况？1 1）含有）含有is, am ,areis, am ,are2 2）含有情态动词）含有情态动词can,must,shouldcan,must,should3 3）含有实意动词）含有实意动词1 1）含有）含有is, am ,areis, am ,are的陈变一的陈变一肯定句Itisabag.一般疑问句Isitabag?Thatisavan.Isthatavan?Jimissix.IsJimsix?Yes,itis.No,itisnt.肯定回答肯定回答否定回答否定回答Yes,itis.No,itisnt.肯定回答肯定回答否定回答否定回答Yes,heis.No,heisnt.肯定回答肯定回答否定回答否定回答肯定句Theyarekind.一般疑问句Aretheykind?Iamhelpful.Areyouhelpful?Wearefriendly.Areyoufriendly?肯定回答：肯定回答：否定回答：否定回答：Yes,theyare.No,theyarent.Yes,Iam.No,Iamnot.Yes,weare.No,wearent.肯定句一般疑问句肯回， 否回1.Iamtall._2.Wearestrong._3.Thisisaship._4.Samisadog._5.JimandMayaresad.2 2）含有情态动词）含有情态动词can,must,shouldcan,must,should肯定句Icandance.一般疑问句Canyoudance?Tomcanskate.CanTomskate?肯定回答：肯定回答：否定回答：否定回答：Yes,Ican.No,Icant.肯定回答：肯定回答：否定回答：否定回答：Yes,hecan.No,hecant.Theycanride.Cantheyride?肯定回答：肯定回答：否定回答：否定回答：Yes,theycan.No,theycant.口诀：一提二换三照抄口诀：一提二换三照抄一提：将情态动词提到句首；一提：将情态动词提到句首；二换：将第一人称换成第二人称；二换：将第一人称换成第二人称；三照抄：陈述句剩下的都照抄三照抄：陈述句剩下的都照抄v例例1: I can sing songs very well.vStep1由情态动词引导的一般疑问句由情态动词引导的一般疑问句: Can vStep2: Can youvStep3: Can you sing songs very well?肯定句一般疑问句肯回，否回1.Icanskate._2.Marycanskip._3.Theycanwrite._4.SamandTimcanswim._3 3）含有实意动词）含有实意动词肯定句Ilikesalad.一般疑问句Doyoulikesalad?Welikerunning. Doyoulikerunning?肯定回答：肯定回答：否定回答：否定回答：Yes,Ido.No,Idont.肯定回答：肯定回答：否定回答：否定回答：Yes,wedo.No,wedont.Theylikebees.Dotheylikebees?肯定回答：肯定回答：否定回答：否定回答：Yes,theydo.No,theydont. (do) (do) (do)口诀：一选二提三换四照抄口诀：一选二提三换四照抄一选：根据陈述句动词时态选择助动词；一选：根据陈述句动词时态选择助动词；二提：将选好的助动词提到句首；二提：将选好的助动词提到句首；三换：第一人称换第二人称三换：第一人称换第二人称, , 动词换回原形。动词换回原形。四照抄四照抄: : 陈述句剩余部分照抄陈述句剩余部分照抄例例2: I want a teacher.Step1: want是动词原形，故选是动词原形，故选doStep2: doStep3: do you want ( I 变变 you)Step4: Do you want a teacher?v例例1: I like eating apples.vStep1: like是是动词原形，故原形，故选dovStep2: dovStep3: do you like(I 变you)vStep4: do you like eating apples?v例例3: He loves his mother.vStep1: loves是第三人称单数，故选是第三人称单数，故选doesvStep2: doesvStep3: does he love (loves 变原形变原形love)vStep4: does he love his mother?肯定句一般疑问句肯回，否回1.Ilikesinging._2.Welikereading._3.Theylikefish._4.JerryandMarylikemeat._练一练将下列陈述句变成一般疑问句练一练将下列陈述句变成一般疑问句(1)HelikesChinese.(2)MikerunsasfastasBen.(3)Igetupatsixthirtyeveryday. (4)Benrunsfast.(5)Thepolicemancaughtthethief. 归归 纳纳: :肯定句肯定句 一般一般疑问句句疑问句句1.be动词动词 把把be动词提前动词提前2.can 把把can 提前提前 3.like 把助动词把助动词do提前提前More practice1.IaminPudong._2. Wearehungry._3.Thatsanumbrella._4.Mysistersareplaying._5.Petercanhearaship._6.Wecanseeafasttrain._7.Ilikestrawberries._8.Welikeflyingkites._9.Theylikeswimmingtogether._