1、Modal Verbsmust,have to,can,may,shouldLOGO情态动词的肯定意义情态动词的疑问句情态动词的否定意义总结归纳CONTENTS01020304What are we going to cook?What are we going to cook?beefbeefcarrotscarrotsdumplingdumplingwrapperswrappersWe are going to make dumplings!We are going to make dumplings!Tom,Im going to make Tom,Im going to make du
2、mplings.Do you wantdumplings.Do you wantto help me?to help me?Sure.I also bring my Sure.I also bring my five little friends to five little friends to help us!help us!Oh,who are they?CanOh,who are they?Canyou introduce to me?you introduce to me?Yes.They are Yes.They are“shouldshould”,“”,“maymay”,”,“c
3、ancan”,“”,“mustmust”and“and“have tohave to”!”!maymayshouldshouldmustmusthave tohave tocancanHi!We are mightyHi!We are mightymodal verbs!modal verbs!OK!Lets make OK!Lets make dumplings together!dumplings together!Do you know what weDo you know what weneed to do first?need to do first?Well,I dont Well
4、,I dont really know.really know.maymayshouldshouldmustmusthave tohave tocancanDont worry!Dont worry!We will help you!We will help you!maymayshouldshouldmustmusthave tohave tocancanModal VerbsModal Verbs情态动词情态动词 表示表示情情感和感和态态度的度的动词动词。(建议、必要、(建议、必要、可能、可能、许可、能力许可、能力.)mustmustmust:must:必须,表示主动一定或必要的情感态度。
5、必须,表示主动一定或必要的情感态度。First,we First,we mustmust wash hands before we make dumplings!wash hands before we make dumplings!首先,做饺子前我们首先,做饺子前我们必须必须洗手。洗手。We We mustmust prepare the materials of dumpling filling.prepare the materials of dumpling filling.我们我们必须必须准备好饺子馅的原料。准备好饺子馅的原料。should:should:应该,表示建议的情感态度。应
6、该,表示建议的情感态度。Then,Tom Then,Tom shouldshould wear the apron!wear the apron!其次,汤姆其次,汤姆应该应该穿上围裙。穿上围裙。Yes.We Yes.We should should keep our clothes clean.keep our clothes clean.我们我们应该应该保持衣服整洁。保持衣服整洁。shouldshouldcan:can:能,行,表示能力的情感态度。能,行,表示能力的情感态度。Next,we Next,we cancan use the knife to cut up the beef and
7、 carrots!use the knife to cut up the beef and carrots!接着,我们接着,我们能能用刀切碎牛肉和胡萝卜。用刀切碎牛肉和胡萝卜。Oh!I Oh!I cancan do that!Let me try!do that!Let me try!噢!我噢!我能能做那个!让我试一下!做那个!让我试一下!cancanmay:may:或许,可能,表示可能的情感态度。或许,可能,表示可能的情感态度。Well.You should be careful.The knife Well.You should be careful.The knife maymay hu
8、rt you.hurt you.你应该小心点,刀你应该小心点,刀可能可能会伤着你。会伤着你。You are rightYou are right!The knife The knife maymay be very sharp.be very sharp.你说的对,刀你说的对,刀可能可能会很锋利。会很锋利。maymayhave to:have to:不得不,表示被动必须的情感态度。不得不,表示被动必须的情感态度。And dont forget to clean your kitchen.You know you And dont forget to clean your kitchen.You
9、 know you havehavetoto do that!do that!而且别忘了打扫你的厨房。你知道你而且别忘了打扫你的厨房。你知道你不得不不得不做。做。Ha-ha,I will.I always Ha-ha,I will.I always have tohave to do the do the housework.housework.哈哈,我会的。我总是不得不做家务。哈哈,我会的。我总是不得不做家务。have tohave to肯定句归纳肯定句归纳1 1)除)除have to have to 有人称和单复数变化外,其它情态动词没有人称有人称和单复数变化外,其它情态动词没有人称和单复
10、数变化。和单复数变化。2 2)情态动词不能单独作为谓语,情态动词后接动词原形。)情态动词不能单独作为谓语,情态动词后接动词原形。1.we 1.we mustmust washwash hands before we make dumplings!hands before we make dumplings!2.Tom 2.Tom shouldshould wearwear the apron!the apron!3.I 3.I cancan dodo that!Let me try!that!Let me try!4.You 4.You shouldshould bebe careful.Th
11、e knife careful.The knife maymay hurt you.hurt you.5.Tom has to clean the kitchen.5.Tom has to clean the kitchen.Wow!Your friendsWow!Your friendsknow a lot about know a lot about making dumplings!making dumplings!They are great!They are great!Yes!They are very Yes!They are very helpful.Can we make h
12、elpful.Can we make dumplings now?dumplings now?maymayshouldshouldmustmusthave tohave tocancanWell,we still have Well,we still have“notes”for making“notes”for makingdumplings!dumplings!What are the What are the“notes”?“notes”?maymayshouldshouldmustmusthave tohave tocancanWe know!We know!We know!We kn
13、ow!Therere somethingTherere somethingyou need to notice.you need to notice.maymayshouldshouldmustmusthave tohave tocancanIts the showtimeIts the showtimefor our teacher for our teacher Mr.“not”!Mr.“not”!Hi!Im Mr.Not.I Hi!Im Mr.Not.I teach my students teach my students“rules!”“rules!”notnotnot:not:不不
14、,表示否定表示否定,放在情态动词后面。放在情态动词后面。OK,kids.Tell them the“rules”when making dumplings!OK,kids.Tell them the“rules”when making dumplings!notnotmaymaymay may not not 可能不可能不We We may notmay not need too many peppers.It will be very need too many peppers.It will be very spicy!spicy!mustmustmust must not=not=mus
15、tmustnt nt 不准,不许不准,不许You You mustnt mustnt use your dirty hands to make dumplings.use your dirty hands to make dumplings.not:not:不不,表示否定表示否定,放在情态动词后面。放在情态动词后面。can can not not=can=cant t 不能不能We We cant cant put too much mixture into the dumpling wrappers.put too much mixture into the dumpling wrapper
16、s.我们不能在饺子皮里放过多的馅儿。我们不能在饺子皮里放过多的馅儿。cancanshould should not not=shouldn=shouldnt t 不应该不应该We We shouldntshouldnt cut too fast.Thats dangerous!cut too fast.Thats dangerous!shouldshouldnot:not:不不,表示否定表示否定,放在情态动词后面。放在情态动词后面。注意注意!have to!have to 的否定形式是在其前面加助动词否定!的否定形式是在其前面加助动词否定!notnothave tohave to dont d
17、ont have to have to 不能不能You You dont have todont have to finish all the dumplings you make.You finish all the dumplings you make.You can put the rest in the fridge.can put the rest in the fridge.你不需要一次性吃完你包的所有饺子,你可以把剩下的放你不需要一次性吃完你包的所有饺子,你可以把剩下的放冰箱里。冰箱里。have tohave toThats a good idea!We Thats a good
18、 idea!We shouldnt shouldnt waste food!waste food!否定句归纳否定句归纳1.You 1.You mustnt mustnt use your dirty hands to make dumplings.use your dirty hands to make dumplings.2.We 2.We shouldntshouldnt cut too fast.Thats dangerous!cut too fast.Thats dangerous!3.We 3.We cant cant put too much mixture into the du
19、mpling wrappers.put too much mixture into the dumpling wrappers.4.4.We We may notmay not need too many peppers.It will be very spicy!need too many peppers.It will be very spicy!5.You 5.You dont have todont have to finish all the dumplings you make.finish all the dumplings you make.1 1)notnot放在情态动词后表
20、示否定。放在情态动词后表示否定。2 2)may not may not 无缩写形式。无缩写形式。3 3)have to have to 添加助动词添加助动词+not+not表示否定,位于其之前。表示否定,位于其之前。Thanks Mr.Not.DoThanks Mr.Not.Doyou have any you have any questions,Tom?questions,Tom?Yes!I do have Yes!I do have some questions.some questions.你发现了什么规律吗?你发现了什么规律吗?Can I invite my friends to m
21、ake dumplings with us?Can I invite my friends to make dumplings with us?Should I mix the carrots with beef?Should I mix the carrots with beef?Must I Must I prepare gloves for cooking?prepare gloves for cooking?May I add some onions?May I add some onions?Do I have to Do I have to take out the kitchen
22、 trashtake out the kitchen trash?疑问句情态动词提前疑问句情态动词提前Can ICan I invite my friends to make dumplings with us?invite my friends to make dumplings with us?Should IShould I mix the carrots with beef?mix the carrots with beef?Must IMust I prepare gloves for cooking?prepare gloves for cooking?May IMay I add
23、 some onions?add some onions?Do IDo I have to have to take out the kitchen trashtake out the kitchen trash?疑问句情态动词提前疑问句情态动词提前I canI can invite my friends to make dumplings with us invite my friends to make dumplings with us.I shouldI should mix the carrots with beef mix the carrots with beef.I mustI
24、 must prepare gloves for cookingprepare gloves for cooking.I mayI may add some onions add some onions.I have to I have to take out the kitchen trashtake out the kitchen trash.疑问句情态动词提前疑问句情态动词提前 改变大小写及标点符号改变大小写及标点符号Can ICan I invite my friends to make dumplings with us invite my friends to make dumpl
25、ings with us?Should IShould I mix the carrots with beef mix the carrots with beef?Must IMust I prepare gloves for cookingprepare gloves for cooking?May IMay I add some onions add some onions?DoDo I I have tohave to take out the kitchen trash take out the kitchen trash?问句归纳问句归纳1.1.Should IShould I mi
26、x the carrots with beef?mix the carrots with beef?2.2.Must I Must I prepare gloves for cooking prepare gloves for cooking?3.3.May I May I add some onions?add some onions?4.4.Can ICan I invite my friends to make dumplings with us?invite my friends to make dumplings with us?5.5.DoDo I I have to have t
27、o take out the kitchen trash?take out the kitchen trash?1 1)情态动词提前于主语表示疑问。)情态动词提前于主语表示疑问。2 2)have to have to 在主语前添加助动词进行提问。在主语前添加助动词进行提问。3 3)改变大小写及标点符号。)改变大小写及标点符号。Wow,you have lotsWow,you have lotsof questions.Lets of questions.Lets just start and you just start and you may find the answers.may fin
28、d the answers.Oh!I cant wait!Oh!I cant wait!First,weFirst,we wash hands!wash hands!Lets make dumplings together!Lets make dumplings together!can should may can should may have to have tomustmustThen,weThen,we wear the apron!wear the apron!Lets make dumplings together!Lets make dumplings together!can
29、 may can may mustmust have to have toshouldshouldNow,weNow,we cut up beef and carrots!cut up beef and carrots!Lets make dumplings together!Lets make dumplings together!can should may can should may have to have tomustmustYouYou notnot cut too fast.cut too fast.Lets make dumplings together!Lets make
30、dumplings together!can may can may mustmust have to have toshouldshouldBe careful!The knifeBe careful!The knife hurt you!hurt you!Lets make dumplings together!Lets make dumplings together!can should can should must have tomust have tomaymayNow weNow we mix the beef and carrots.mix the beef and carro
31、ts.Lets make dumplings together!Lets make dumplings together!can may can may must have tomust have toshouldshouldNext,weNext,we put the mixture into the dumpling wrappers.put the mixture into the dumpling wrappers.Lets make dumplings together!Lets make dumplings together!should may should may must h
32、ave tomust have tocancanLast,weLast,we wrap the mixture.Then you get a nice dumpling!wrap the mixture.Then you get a nice dumpling!Lets make dumplings together!Lets make dumplings together!can should may can should may have to have tomustmustAfter that,we After that,we clean the kitchen!clean the ki
33、tchen!Lets make dumplings together!Lets make dumplings together!can should may can should may must must have tohave toWow!You can make Wow!You can make dumplings very well!We dumplings very well!We eat dumplings on Winter eat dumplings on Winter Solstice to show ourSolstice to show ourrespect to Zha
34、ng respect to Zhang Zhongjing.Zhongjing.Yes.He is one of the Yes.He is one of the greatest heroes of China.And greatest heroes of China.And We should always remember We should always remember those great people and those great people and mustnt waste food!Ill mustnt waste food!Ill finish my dumpling
35、s!finish my dumplings!1 1)情态动词提前于主语表示疑问。)情态动词提前于主语表示疑问。2 2)have to have to 在主语前添加助动词进行提问。在主语前添加助动词进行提问。总结归纳总结归纳肯定句肯定句否定句否定句疑问句疑问句1 1)除)除have to have to 有人称和单复数变化外,有人称和单复数变化外,其它情态动词没有人称和单复数变化。其它情态动词没有人称和单复数变化。2 2)情态动词不能单独作为谓语,情态)情态动词不能单独作为谓语,情态动词后接动词原形。动词后接动词原形。1 1)notnot放在情态动词后表示否定。放在情态动词后表示否定。2 2)may not may not 无缩写形式。无缩写形式。3 3)have to have to 添加助动词添加助动词+not+not表示否定,位于其之前表示否定,位于其之前1 1)情态动词提前于主语表示疑问。)情态动词提前于主语表示疑问。2 2)have to have to 在主语前添加助动词进行提问。在主语前添加助动词进行提问。3 3)改变大小写及标点符号。)改变大小写及标点符号。THANKS