七下Unit1（情态动词的用法）一、含义：情态动词是动词的一种，它表示讲话人的态度、请求、许可、愿望、可能等。本身具有一定的意义，但不能独立作谓语，没有人称和数的变化，且后面必须跟动词原形。二、分类：can/could（能够，可以），may/might（可能，可以），must（必须，一定），need（必要），haveto（不得不）等。三、情态动词的用法1.情态动词+动词原形2.情态动词的句式变化（以can为例）(1)肯定句：主语+can+动词原形+其他 Icanfly.(2)否定句：主语+cannot/can’t+动词原形+其他 Ican’tfly.(3)一般疑问句：Can+主语+动词原形+其他？肯定回答：Yes,主语+can.否定回答：No,主语+can’t.—Canyouplaytheviolin?—Yes,Ican.—No,Ican’t.(4)特殊疑问句:疑问词+can+主语+动词原形+其他？ Whatcanyoudoinyourhome?四、情态动词三大考点1.情态动词+动词原形2.Must提问，否定回答用needn't/don’thaveto（不用mustn't是因为他表示禁止做某事）3.can't表示最否定—Listen,thereissomebodyknockingonthedoor?IsitMsGao?—No,itcan’tbeMsGao.Isawherrunningontheplayground.巩固练习1.—______Iuseyourdictionary?—Sure,hereyouare.A.Must B.May C.Need D.Should2.He________sing,buthecandance.A.isn’t B.doesn’t C.don’t D.can’t3.—CanZhuZhiwen_________anEnglishsong?—No.Idon'tthinkhe_________.sing;can B.tosing;can C.sings;can't D.singing;can't4.—_____yousinginganEnglishsongtome？—IthinkIcandoit.A.May B.Can C.Mustn’t D.Must5.We______haveaconcerttomorrow,butI’mnotsure.A.can B.may C.must D.can’t6.Thatmanoverthetree_____behisfather,becauseIsawhimwenttothecinemajustnow.A.can B.mustn't C.may D.can't7.—IwonderifthisbookisAlice’s.—It______behers.ThereisMikeonthebook.A.mustn’t B.maynot C.can’t D.shouldn’t8.—______IinvitemyfriendstothepartyonSaturday?—Ofcourseyoucan.A.Haveto B.Must C.Can D.Can't9.—MustIdomyhomeworknow?—No,you______.Youcandoittomorrow.A.haven’tto B.don'thavetoC.haven’ttoD.don'thaveto10.Themaninmyroom______bemybrother.HeisstillinJapan.A.couldn't B.mustn't C.needn't D.can't11.—MayIparkonthesideoftheroad?—Sorry,you______.Lookatthesign"Noparking"!A.maynot B.mustn't C.can D.needn't / |
