搜索
助动词do/does的用法专题助动词do与does口诀（一）(do)变句型，先观察，陈述句中动用原,一般疑问do提前，否定don’t实动前。（二）(does)若是主语为三单，陈述句中动变形，一般疑问也简单，does放在句子前，否定doesn’t实动前，主动出现动还原。总结：含有实义动词的句子，进行句子转换时应借助于助动词do/does，主语是三单(he,she,it)时用does，其他用do。否定句在动词原形前加don’t/doesn’t，一般疑问句把do/does提前,特殊疑问句由特殊疑问词+一般疑问句。句子类型及结构肯定句：主语+动词+其它。主语是三单，动词用三单Ilikethisbluesweater.Tomlikesthisbluesweater.我喜欢这件蓝色的毛衣。Tom喜欢这件蓝色的毛衣。TomlikesEnglish.Tom喜欢英语。Ilikethisbluesweater.TomlikesEnglish.否定句：主+don’t/doesn’t+动原+其它Idon’tlikethisbluesweater.我不喜欢这件蓝色的毛衣。Tomdoesn’tlikeEnglish.Tom不喜欢英语。Ilikethisbluesweater.TomlikesEnglish.一般疑问句：do/does提前，其它照抄不变（Do/Does+主+动原+其它），一人称变二人称。回答：Yes,主+do/does.No,主+don’t/doesn’t.DoyoulikethisbluesweaterYes,Ido./No,Idon’t.你喜欢这件蓝色的毛衣吗是的，我喜欢;不，我不喜欢。DoesTomlikeEnglishYes,hedoes./doesn’t.Tom喜欢英语吗是的，他喜欢；不，他不喜欢。练一练：一、选择适当的词填空（用do和does/don’tdoesn’t填空）1.youlikesoccerYes,I.2.theylikeping--pongYes,they.3.TonyandBenlikebaseballNo,they.4.yourfriendsliketennisYes,they.5.yourbrotherlikebasketballNo,he.6.youlikebasketballYes,I.7.theylikesaladNo,they.8.JennyhavewhitesweatersYes,she.9.PeterhaveblacktrousersYes,he.10.yourfatherlikeapplesYes,he.11.yourfriendslikebananasNo,they.12.yourfatherandmotherhavemilkforbreakfastYes,they.13.I________(don’t/doesn’t）playsports.14.You_________(don’t/doesn’t）likeice-cream.15..Myparents________(don’t/doesn’t）wanttowatchTV.16.Hisfriend_______(don’t/doesn’t）eatbreakfast.17.Mary_______(don’t/doesn’t）likesalad.18.—hehaveatennisball—Yes,he.19.—Annahaveaping-pongbat—Yes,she.20.—MikeandErichavesomeballs—No,they二.按要求完成句子。1.Jennyhasaping-pongbat.(改为一般疑问句)_____Jenny_____aping-pongbat2.Iliketoeatvegetableseveryday.(改为一般疑问句)______youliketoeatvegetableseveryday3.Theylikebananas.(改为否定句)They____________bananas.4.Tomlikesapples.(改为一般疑问句)______Tom______apples5.DoesJohnlikechicken(否定回答)—_______,_______________.likesalad.(改为一般疑问句)_____________________saladyoulikebananas(作肯定回答)_______,_________________.theylikemilk(作否定回答)________,_______________.helikemilk(作否定回答)_______,_______________liketomatoes.(把I改成he重写句子)He____________________.andAlicelikecarrots.(改为一般疑问句并作肯定回答)________________________________________________.12.你喜欢西红柿吗_________youlike___________13.你弟弟喜欢鸡蛋吗不，他不喜欢。_______yourbrother______________No,he_________.havethreeEnglishbooks.(改为否定句)IthreeEnglishbooks.15.Ihaveanewvolleyball.(改为一般疑问句)anewvolleyball16.DoesLiLeihaveatennisball(作否定回答)，.17.Ihaveacomputer.(改为否定句)Iacomputer.18.Shehasaping-pongball.(改为一般疑问句)sheaping-pongball19.DoesHelenhaveadictionary(作肯定回答)，.20.Tonyhasabaseballbat.(改为一般疑问句)_____Tony_____abaseballbat五：翻译（将中文翻译成英文）1．你喜欢香蕉吗是的，我喜欢。2．你妈妈喜欢苹果吗是的，她喜欢。3．他喜欢篮球吗是的，他喜欢。4．他们喜欢足球吗是的，他们喜欢。5．Jenny有裙子吗是的，她有。6．Tom有黑色长裤吗不，他没有。7．你爷爷有钢笔吗不，他没有。8．你爸爸和妈妈喜欢西红柿吗是的，他们喜欢。答案如下：一、选择适当的词填空（用do和does/don’tdoesn’t填空）21.DoyoulikesoccerYes,Ido.22.Dotheylikeping--pongYes,theydo.23.DoTonyandBenlikebaseballNo,theydon’t.24.DoyourfriendsliketennisYes,theydo.25.DoesyourbrotherlikebasketballNo,hedoesn’t.26.DoyoulikebasketballYes,Ido.27.DotheylikesaladNo,theydon’t.28.DoesJennyhavewhitesweatersYes,shedoes.29.DoesPeterhaveblacktrousersYes,hedoes.30.DoesyourfatherlikeapplesYes,hedoes.31.DoyourfriendslikebananasNo,theydon’t.32.DoyourfatherandmotherhavemilkforbreakfastYes,theydo.33.I_____don’t__(don’t/doesn’t）playsports.34.You_____don’t____(don’t/doesn’t）likeice-cream.35..Myparents__don’t______(don’t/doesn’t）wanttowatchTV.36.Hisfriend__doesn’t_____(don’t/doesn’t）eatbreakfast.37.Mary__doesn’t_____(don’t/doesn’t）likesalad.38.—Doeshehaveatennisball—Yes,hedoes.39.—DoesAnnahaveaping-pongbat—Yes,shedoes.40.—DoMikeandErichavesomeballs—No,theydon’t二.按要求完成句子。1.Jennyhasaping-pongbat.(改为一般疑问句)__Does___Jenny_have____aping-pongbat2.Iliketoeatvegetableseveryday.(改为一般疑问句)___Do___youliketoeatvegetableseveryday3.Theylikebananas.(改为否定句)They__don’t_______like___bananas.4.Tomlikesapples.(改为一般疑问句)_Does_____Tom__like____apples5.DoesJohnlikechicken(否定回答)—__No_____,___he_________doesn’t___.likesalad.(改为一般疑问句)_Do_________you_____like____saladyoulikebananas(作肯定回答)_Yes____,_____I_______do_____.theylikemilk(作否定回答)__No____,__they_____don’t________.helikemilk(作否定回答)___No____,____he____doesn’t_______liketomatoes.(把I改成he重写句子)He__likes___________tomatoes_______.andAlicelikecarrots.(改为一般疑问句并作肯定回答)___DoLindaandAlicelikecarrots_________________Yes,theydo______.12.你喜欢西红柿吗__Do_______youlike______tomatoes_____13.你弟弟喜欢鸡蛋吗不，他不喜欢。____Does___yourbrother___like______eggs_____No,he____doesn’t_____.havethreeEnglishbooks.(改为否定句)Idon’thavethreeEnglishbooks.15.Ihaveanewvolleyball.(改为一般疑问句)Doyouhaveanewvolleyball16.DoesLiLeihaveatennisball(作否定回答)No，he/shedoesn’t.18.Ihaveacomputer.(改为否定句)Idon’thaveacomputer.18.Shehasaping-pongball.(改为一般疑问句)Doesshehaveaping-pongball19.DoesHelenhaveadictionary(作肯定回答)Yes，shedoes.21.Tonyhasabaseballbat.(改为一般疑问句)____Does_Tony___have__abaseballbat五：翻译（将中文翻译成英文）1．你喜欢香蕉吗是的，我喜欢。Doyoulikebananas/Yes,Ido.2．你妈妈喜欢苹果吗是的，她喜欢。Doesyourmotherlikeapples/Yes,shedoes.3．他喜欢篮球吗是的，他喜欢。Doeshelikebasketball/Yes,hedoes.4．他们喜欢足球吗是的，他们喜欢。Dotheylikesoccerball/Yes,theydo.5．Jenny有裙子吗是的，她有。DoesJennyhaveskirts/Yes,shedoes.6．Tom有黑色长裤吗不，他没有。DoesT