含有情态动词的肯定句改为般疑问句省公共课一等奖全国赛课获奖课件.pptx

复习：复习：含有含有be动词必定句改为普通疑问句方法动词必定句改为普通疑问句方法一找 二提 三抄 四变找出be动词 be动词提前其余照抄句中人称I 变you my变yoursome变any .变？第1页含有情态动词必定句怎含有情态动词必定句怎样改为普通疑问句？样改为普通疑问句？第2页什么是情态动词？什么是情态动词？情态动词表示说话人（或句子主语）对某一动作情态动词表示说话人（或句子主语）对某一动作或状态一个感情和态度，本身含有各种意义，但或状态一个感情和态度，本身含有各种意义，但不能单独作谓语，只能和主要动词一起组成谓语。不能单独作谓语，只能和主要动词一起组成谓语。第3页常见情态动词有哪些？常见情态动词有哪些？can may must will shall should第4页翻译句子。1.我会画画。我会画画。2.学生应该努力学习。学生应该努力学习。3.他必须天天早起。他必须天天早起。I can draw.Studentsshouldstudyhard.Hemustgetupearly.快点观察一下这三个句子有什么特点。快点观察一下这三个句子有什么特点。第5页把下面这三个含有情态动词必定句改为普通疑问句。把下面这三个含有情态动词必定句改为普通疑问句。1.I can draw.2.Students should study hard.Can you draw?Yes,I can./NoI cant.Should students study hard?Yes,they should./No,they shouldnt.3.He must get up early.Must he get up early?Yes,hemust./No,heneednt.思索：含有情态动词必定句改为普通疑问句方法是什么？思索：含有情态动词必定句改为普通疑问句方法是什么？第6页Lookandpractice.1.He can sing.2.You may go now.3.I must go to school by bike.Can he sing?May you go now?Must you go to school bike？Yes,he can./No,he cant.Yes,I may./No,I cant/mustnt.Yes,I must/No,I neednt.第7页1.I can draw.2.There is a bird in the tree.3.You are a nice girl.4.My father is a teacher.Can you draw?Is there a bird in the tree?Are you a nice girl?Is your father a teacher?小挑战：小挑战：思索思索:第8页Look and learn:1.I usually have lunch at twelve.Do you usually have lunch at twelve?2.They play football every day.Do they play football every day?3.He gets up at six every day.Does he get up at six every day?注意：注意：这三个句子都没有be动词和情态动词，像这类句子，要借助do 和 does来帮忙。记住do和does后面动词保持原形，主语是第三人称单数时候就用does,其余都用do.第9页经过以上学习可总结陈说句改为普通疑问句方法有：经过以上学习可总结陈说句改为普通疑问句方法有：一找 二提 三抄 四变 五借 找出找出be动词、动词、情态动词情态动词把把be动词、动词、情态动词提前情态动词提前其余照抄其余照抄句中人称句中人称I变变youmy变变yoursome变变any.变问号变问号?没有没有be动动词、情态词、情态动词借动词借do和和does来来帮忙帮忙第10页第11页一、助动词（一、助动词（auxiliary verb)auxiliary verb)在英语中，助动词本身没有意义，只是帮助实义动词完成一些语法功效，如组成否定句、疑问句、简略答语等。助动词主要有do，have等。第12页二二.助动词助动词dodo基本使用方法基本使用方法do有三种形式：原形 现在式第三人称单数 过去式do基本使用方法：组成否定句 组成普通疑问句及回答第13页1.IwanttogotoBeijing.IdontwanttogotoBeijing.2.WeliveinChongqing.WedontliveinChongqing.3.LucyandLilyknowaboutChina.LucyandLilydontknowaboutChina.4.Herparentsworkinaschool.Herparentsdontworkinaschool.含实义动词句子怎样变为否定句含实义动词句子怎样变为否定句假如句子中动词为_，变否定句时,在_前加_,其余不变。原形原形动词动词dont(donot)第14页1.HewantstogotoBeijing.HedoestwanttogotoBeijing.2.PeterlivesinChongqing.PeterdoestliveinChongqing.3.LucyknowsaboutChina.LucydoestknowaboutChina.4.Hermotherworksinaschool.Hermotherdoestworkinaschool.含实义动词句子怎样变为否定句含实义动词句子怎样变为否定句假如句子中动词为_，变否定句时,在_前加_,然后把动词变为_,其余不变。第三人称单数形式第三人称单数形式动词动词doest(doesnot)原形原形第15页1.IwanttogotoBeijing.DoyouwanttogotoBeijing.2.WeliveinChongqing.DoyouliveinChongqing.3.LucyandLilyknowaboutChina.DoLucyandLilyknowaboutChina.4.Herparentsworkinaschool.Doherparentsworkinaschool.含实义动词句子怎样变为普通疑问句含实义动词句子怎样变为普通疑问句假如句子中动词为_，变普通疑问句时,在句首加其余不变。原形原形Do第16页1.HewantstogotoBeijing.DoeshewanttogotoBeijing.2.PeterlivesinChongqing.DoesPeterliveinChongqing.3.LucyknowsaboutChina.DoesLucyknowaboutChina.4.Hermotherworksinaschool.Doeshermotherworkinaschool.含实义动词句子怎样变为普通疑问句含实义动词句子怎样变为普通疑问句假如句子中动词为_，变否定句时,在句首加_,然后把动词变为_,其余不变。第三人称单数形式第三人称单数形式Does原形原形第17页含实义动词句子怎样变否定句含实义动词句子怎样变否定句1.假如句子中动词 为原形，变否定句时，在动词前加don t(do not),其余不变。2.假如句子中动词为第三人称单数形式，变否定句时，在动词前加does t(does not),然后把动词变为原形，其余不变。注：some-anydohavewantlivelikedon t dodon t havedon t wantdon t livedon t likedoesn t dodoesn t havedoesn t wantdoesn t livedoesn t likedoeshaswantsliveslikes第18页含实义动词句子怎样变普通疑问句含实义动词句子怎样变普通疑问句1.假如句子中动词 为原形，变普通疑问句时，在句首加Do，其余不变。2.假如句子中动词为第三人称单数形式，变普通疑问句时，在句首加Does,然后把动词变为原形，其余不变。注：some-any I/we-you my/our-yourdohavewantlivelikeDo do?Do have?Do want?Do live?Do like?Does do?Does have?Does want?Does live?Does like?doeshaswantsliveslikes第19页1.Theyplaygamesontheplayground.Theydontplaygamesontheplayground.2.LucyandLilyspeakEnglish.LucyandLilydontspeakEnglish.3.Myclassmatesgetupat7:00.Myclassmatesdontgetupat7:00.4.Hewalkstoschool.Hedoesntwalktoschool.5.Janegoestoschoolbybike.Janedoesntgotoschoolbybike.6.KangkanghelpsmestudyEnglish.KangkangdoesnthelpmestudyEnglish第20页1.Theyplaygamesontheplayground.Dotheyplaygamesontheplayground?Yes,theydo./No,theydont.2.LucyandLilyspeakEnglish.DoLucyandLilyspeakEnglish?Yes,theydo./No,theydont.3.Myclassmatesgetupat7:00.Doyourclassmatesgetupat7:00?Yes,theydo./No,theydont.第21页4.Hewalkstoschool.Doeshewalktoschool?Yes,hedoes./Nohedoesnt.5.Janegoestoschoolbybike.DoesJanegotoschoolbybike?Yes,shedoes./No,shedoesnt.6.KangkanghelpsherstudyEnglish.DoesKangkanghelpherstudyEnglish?Yes,hedoes./No,hedoesnt.第22页have/has普通疑问句普通疑问句:1.)have普通疑问句普通疑问句:Doyouhaveabook?b.Theyhavemanybooks.(变普通疑问句变普通疑问句)Dotheyhavemanybooks?c.Wehavemanybaseballs.(变普通疑问句变普通疑问句)Doyouhavemanybaseballs?小结小结:have普通疑问句是在句首加上助动词普通疑问句是在句首加上助动词”Do”,注意大小写转换，注意大小写转换，其它不变其它不变.（句中（句中“I”能够变为能够变为”you”)注意注意:“Do”是加上去，不是原句里面。是加上去，不是原句里面。a.Ihaveabook.(变普通疑问句变普通疑问句)第23页2.)has普通疑问句普通疑问句:a.Hehasasoccerball.(变普通疑问句变普通疑问句)Doeshehaveasoccerball?b.Shehasaping-pangbat.(变普通疑问句变普通疑问句)Doessheahaveping-pangbat?c.Janehasatennisracket.(变普通疑问句变普通疑问句)DoesJanehaveatennisracket?小结小结:has普通疑问句普通疑问句:第一步，是在句首加上助动词第一步，是在句首加上助动词”Does”,第二步，第二步，将句中将句中”has“变为变为”have“，注意大小写转换，其它不变，注意大小写转换，其它不变.（句中（句中“I”能够变为能够变为”you”)注意注意:“Does”是加上去，不是原句里面。是加上去，不是原句里面。完成练习四第24页二二.have/has否定句否定句:1.)have否定句否定句:Idonthaveabook.b.Theyhavemanybooks.(变普通否定句变普通否定句)Theydonthavemanybooks.c.Wehavemanybaseballs.(变普通否定句变普通否定句)Wedonthavemanybaseballs.小结小结:have否定句是在否定句是在主语主语和和have之间之间加上助动词加上助动词”dont”,注意注意:“dont”是加上去，不是原句里面。是加上去，不是原句里面。a.Ihaveabook.(变普通否定句变普通否定句)第25页2.)has否定句否定句:a.Hehasasoccerball.(变变否定句否定句)Hedoesnthaveasoccerball.b.Shehasaping-pangbat.(变变否定句否定句句句)Shedoesnthaveaping-pangbat.c.Janehasatennisracket.(变变否定句否定句)Janedoesnthaveatennisracket小结小结:has否定句否定句:第一步，是第一步，是在在主语主语和和has加上助动词加上助动词”doesnt”,注意注意:“doesnt”是加上去，不是原句里面。是加上去，不是原句里面。第二步，把第二步，把has还原成还原成have完成练习五第26页疑问句及回答第27页普通疑问句及回答用yes或no往返答问句第28页普通现在时 行为动词普通疑问句及答语Do you like swimming?Yes,I do./No,I dont.Yes,we do./N o,we dont.Do they go to school on Saturday?Yes,they do./No,they dont.第29页Does Sam get up at seven oclock?Yes,he does./No,he doesnt.Does Amy do her homework?Yes,she does./No,she doesnt.我发觉第三人称单数助动词用does,其它人称助动词用do.第30页普通现在时，动词be普通疑问句及答语Am I clever?Yes,you are./No,you arent.Are you hungry?Yes,I am./No,Im not.Is she/he/a nice teacher?Yes,she/he is./No,she/he isnt.Is it rainy today?Yes,it is./No,it isnt第31页 Are we good friends?Yes,we are./No,we arent.Yes,you are./No,you arent.Are you happy?Yes,we are./No,we arent.Are the flowers beautiful?Yes.they are./No,they arent.第32页现在进行时普通疑问句及答语Are you writing a letter?Yes,I am./No,Im not.Is Sam listening to music?Yes,he is./No,he isnt.Are they watching TV?Yes,they are./No,they arent.第33页普通未来时普通疑问句及回答Are you going to swim tomorrow?Yes,I am./No,Im not.Is she going to make a cake?Yes,she is./No,she isnt.Are they going to go by plane?Yes,they are./No,they arent.第34页我发觉 有be动词句子，be动词和人称代词关系，I 用 am，you 用 are,is 跟着he,she,it.We,you,they 都用are.普通疑问句及答语第一人称和第二人称交换。我们能够经过问句开头单词来进行判断答句中用哪个动词。第35页动词have/has got普通疑问句及答语Have you got an elephant?Yes,we have./No,we havent.Yes,I have./No,I havent.Has Sam got a T-shirt?Yes,he has./No,he hasnt.我发觉has 用于第三人称单数，其它人称用have.第36页Can普通疑问句及答语Can you jump far?Yes,I can./No,I cant.Can Sam run fast?Yes,he can./No,he cant.我发觉Can 没有些人称和数改变 第37页情景普通疑问句及答语1.Do you want some dumplings?Yes,please./No,thank you.2.Can I have some soup?Yes,you can./Sorry,you cant.3.Can I come in?Yes,of couse.第38页