小学情态动词用法ppt课件.ppt

动词,表示动作与状态的词主要考点 动词分类时态,1.-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 match,Try and try,7.-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 take,Try and try,一、情态动词,can, couldmusthave toshouldwill(would)may,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.,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?,(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,2.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”,3.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 to,1 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. shouldnt,try and try,7. _ 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. should,