第2頁共6頁廣州初一英語專題學(xué)案：情態(tài)動詞七年級下冊U6同步 一、精講點(diǎn)撥1.情態(tài)動詞can,may和must情態(tài)動詞和不帶to的動詞不定式一起構(gòu)成謂語，但ought除外。情態(tài)動詞有一定的詞義，沒有人稱和數(shù)的變化。它表示說話人的語氣或情態(tài)，如請求、命令、愿望、能力以及可能性等。情態(tài)動詞含義示例一般疑問句回答can/could能；能夠；會；可以Wecanbuyacartosaveourtimeontheroad.Canheswim?Yes,…can./No,…can’t.許可Youcan(=may)gohomenow./用于條件句中Ifhecomes,hecanhelpus.Icouldcomeearlier,ifnecessary./beableto與can同義，常用以表示can所不能表示的將來或完成時的概念Shewillbeabletobuythehousebytheendofnextyear.Yes,…is(are).No,…isn’t/aren’t.may/might允許、請求Excuseme,mayIhaveaglassofwater?Yes,…may/can.No,…can’t/mustn’t.可能，或許；用might語氣更加不肯定Theseideasmayseemstrangetoyou.Hemightgetlost./表祝愿Mayallyourdreamscometrue.must必須，應(yīng)該Allthestaffmustarriveatthesquarebefore9.mustnot意為“不可以”，“不許”；而neednot才是must通常的否定回答Wemustnotspitontheground.-MustIreturnthebooknextweek?--Yes,youmust./No,youneedn’t.Ex1:請選擇最佳答案1.“_____Iborrowyourdictionary?”“Certainly,hereyouare.”A.Must B.May C.Need D.Shall2.You______worryabouthim.Hewilltakecareofhimself.A.can’t B.needn’t C.mustn’t D.couldn’t3.We______talkorsleepintheclass,orMrs.Clarkwillbeveryangry.A.don’t B.haven’t C.needn’t D.mustn’t4.______youunderstandwhatImean?Notreally.A.Can B.May C.Must D.Should5.Let’sgodancingtonight.Sorry,I_______.Ihavetogotoameeting.A.maynot B.mustn’t C.can’t D.needn’t6.MustIparkmycarbehindthebuilding?No,you______.Butyou______parkithere.A.mustn’t,may B.maynot,must C.don’thaveto,may D.shouldn’t,must7.You___belateforschoolagainnexttime.A.mustn't B.needn't C.don'thavetoD.don'tneedto8.MustIdomyhomeworkatonce?No,you___.A.needn't B.mustn'tC.can't D.maynot2.★★★can,may,must表猜測用法區(qū)別情態(tài)動詞表示“猜測”例句can表示可能性，常用于否定句表示“不可能”，疑問句表示“會…嗎？”Canitbetrue?那會是真的嗎？Itcannotbetrue.may表猜測，通常只用于陳述句表示“可能，也許”Youmayberight.你可能是對的。must表猜測，暗含有很大的可能性表示“肯定，一定”Hemustbeill.Helookssopale.他肯定是病了。他的臉色那么蒼白。Ex.2請選擇最佳答案1.IsawJohnnyinthepublastnight.It_______behim.HewenttoL.A.andhewon’tbebackuntilnextweek.A.morenoodles B.muchfish C.moremeat D.muchrice()3.InNorthAmerica,Australia,andEurope,people______.A.eatwithchopsticksB.eatwithknivesandforksC.usetheirfingerstopickupfoodD.usebreadtopickupfood()4.______havemanykindsofsausages.A.ChileandSpain B.AmericaandAustraliaC.ChinaandJapan D.GermanyandPoland()5.WhichofthefollowingisNOTtrue?A.Whatweeatdependsonwherewelive.B.Poorcountriesarestillhavingfoodproblems.C.Richcountriesdon’tneedfoodfromothers.D.Nowadayswecaneatwhateverwelikeatanytimeoftheyear.參考答案：Ex.1Key:15BBDAC610AAAEx.2Key:DBA一）單項(xiàng)選擇1—5CBAAC6—10ABCAD二）用情態(tài)動詞填空1.can,ca