【語法】情態(tài)動(dòng)詞may,must 市賽獲獎(jiǎng)-完整版課件

情態(tài)動(dòng)詞may,mustLead-inWhatmayhappenifpeoplearenotcarefulwithfire?Lead-inTherewillbeafiredrillatRoseGardenschool.MissGuoisthinkingaboutthingsthatmayhappenduringthefiredrill.Shewantstowritesomerulersforherstudents.PresentationWhatmayhappenduringthefiredrill?Somestudentsmaypack

theirschoolbagsbeforetheyleavetheclassroom.Somestudentsmayrundownthestair.Somestudentsmaynotremember

tomeetintheplayground.Somestudentsmaynotqueueupinthecorridor.PracticeCompleteMissGuo’sfiredrillrules?Youmustnotpackyourschoolbagbeforeyouleavetheclassroom.Youmustnotrun

.downthestairYoumust

.remembertomeetintheplayground.Youmust

.queueupinthecorridorPresentation情態(tài)動(dòng)詞（Modalverbs）本身有一定的詞義，表示語氣的單詞。但是不能獨(dú)立作謂語，只能和動(dòng)詞原形一起構(gòu)成謂語。情態(tài)動(dòng)詞用在行為動(dòng)詞前，表示說話人對這一動(dòng)作或狀態(tài)的看法或主觀設(shè)想。情態(tài)動(dòng)詞雖然數(shù)量不多，但用途廣泛，主要有下列：can(could),may(might),maynot，must,mustnot，need,oughtto,dare(dared),shall(should),will(would).情態(tài)動(dòng)詞概念Presentation1.情態(tài)動(dòng)詞后接動(dòng)詞原形;2.沒有人稱和數(shù)的變化;3.不能單獨(dú)作謂語,與后面的動(dòng)詞共同作謂語;4.其否定形式在后面直接加not。情態(tài)動(dòng)詞用法Presentation1.表示允許(可以)也可用might更委婉

May/MightIcomein?2.表示推測(可能)通常用于肯定形式

Shemaybestillwaitingforus.3.表示祝愿

Mayyouhaveahappyweekend.may的用法:may/maynotPresentation以may開頭的疑問句，其否定回答用can’t或mustn’t。--MayIgohomenow?--Yes,youmay.No,youcan’t/mustn’t.maynot的用法:may/maynotPractice1.MayIcarryyourbagforyou?2.MayIopenthedoor?3.MayIgetyouachair?Yes,youmay.Yes,youmay.No,youcan’t/mustn’t.Presentationmust/mustnot的用法:must/mustnot1.mustn’t表示禁止(不準(zhǔn)；不允許)

Youmustn’tsmokehere.2.以must開頭的疑問句，其否定回答要用needn’t.--MustIcleantheclassroomnow?--Yes,youmust.No,youneedn’t.PracticeYoumustnotturnright.Youmustturnleft.Practice1.MustIfinishtheworknow?2.MustIpaytenyuan?3.Youmustkeepsilent.No,youneedn’t.No,youneedn’t.Yes,youmust.Practice隨堂練習(xí)用適當(dāng)?shù)那閼B(tài)動(dòng)詞填空：。1.Don’tworry.You________returnmethisbooktomorrow.2.Mygrandmaisill.You_______talksoloudlyhere.3.I__________getupearlytomorrow.becauseIhaveameeting.maymustmustPractice隨堂練習(xí)4.Thebook_________bereturnedbeforeSaturday.5.__________Icomein?Yes,please.6.You________giveupsmokingatonce.It’sbadforyourhealth.mustMay

mustPractice【2012.上海中考】1.—______Itakethebookout?—I’mafraidnot.

A.Will

B.May

C.MustD.Need

[答案]B．[解析]句意是“我可以帶走這本書么”表示可能性，因此選B。直擊中考BPractice【2011.深圳中考】Must

he

come

to

sign

this

paper

himself?

Yes,

he

_____.

A.

need

B.

must

C.

may

D.

will

[答案]B．[解析]以must開頭的疑問句，肯定回答是Yes,hemust.

因此選B。直擊中考BPractice【2013.上?！?.Lookattheground.It’sverywet.It_______haverainedlastnight.A.

need

B.

must

C.

may