小学情态动词用法.ppt

动词动词表示动作与状态的词主要考点动词分类2021/5/241动词种类动词种类实义动词实义动词系动词系动词情态动词情态动词助动词助动词jump,runbe,feelcan,must,maydo,does,did,be,have,has2021/5/2421.-when did your uncle_in shanghai-the day before yesterdayA arrive B get C reach2.As we know,some people are good at_but bad at give backA lending B keeping C borrowing D using3.The small child was not old enough to_himselfA have B wear C dress D put on 5.My brother and I are _ TV.A watch B look C read D see6.I ask Danny to_me my book,but he brough me his bookA take B fetch C carry D matchTry and try2021/5/2437.-the radio_that there will be another heavy rain in Guangdong._Too bad.It has rained for the whole weekA tells B talks C says D speaks8.It is nice of you to _so much time showing me around your schoolA spend B cost C pay D takeTry and try2021/5/244一、情态动词can,couldmusthave toshouldwill(would)may2021/5/245二、特征1.有一定词义，但不能单独作谓语，必须和行为动词或系动词连用，构成谓语。2.无人称和数的变化（have to例外：用于第三人称单数时用has to）He has to stay here.3.后面接动词原形She should stay at home.2021/5/2462021/5/247三、用法1.can,could(1)表示能力，“能，会”Can you play basketball?(2)表示怀疑、猜测，常用于否定句和疑问句中He cant be in classroom.（3）可以Can I help you?2021/5/248(4)could 是can的过去式，可以表示过去的能力I could swim when I was seven years old.(5)can开头的一般疑问句 以can和cant回答could开头的一般疑问句 以could和couldnt回答2021/5/2492.must(1)“必须 应该”(2)表推测“一定”(3)否定句中，mustnt表示禁止，“不允许”Must开头的疑问句，肯定回答用must，否定回答用neednt（=dont have to）“不需要，不必”2021/5/24103.have to“have to+动词原形”：不得不做某事注意：have to用于第三人称单数时用has to2021/5/24111 May I stop my car here?No,you_.A.cant B.mustnt C.neednt D.dont have to2.Must we clean the house now?No,you _.A.neednt B.may not C.mustnt D.cant4.You _ return the book now.You can keep it next week if you like.A.cant B.mustnt C.neednt D.may not5.Johnny,you _ play with the knife,you _ hurt yourself.A.wont.cant B.mustnt.may C.shouldnt,must D.cant.shouldnt6.-Would you go out for a walk with me?-No,I _.My girl friend is coming.A.wouldnt B.shall not C.wont D.shouldnttry and try2021/5/24127._ you be happy!A.May B.Can C.Must D.Would8.Could I borrow your dictionary?Yes,of course you_.A.might B.will C.can D.should2021/5/2413