高三英语学习资料-modal verb.pptVIP

Life is hard at present. Hardly ______ some price or other going up. A. a day goes, with B. a day goes, without C. does any day go, with D. does any other, without Everybody talks about the taste of great food,but hardly ____ about the tongue and the nose that make the tasting possibleA anybody talks? B does anybody talk? C?talks anybody?? D nobody talks Modal verb Can, could May, might Must Shall, should, ought to Will, would Dare, need Had better, used to, would rather 情态动词的完成型 ① must have done??? 过去一定已经…（只用于肯定句中） ② may/might have done? 可能已经—— ③ can‘t / couldn’t have done??? 过去不可能—— （表示否定） ④ needn‘t have done 本来不必做—— ⑤ could have done那时本来可以…（在肯定句中，不可用can） ⑥ should have done 本来应该做——（实际未做） ⑦ shouldn‘t / oughtn’t to have done 本不应该做——（实际做了） Can’t, couldn’t, may, might, must 皆可表示推测 1）情态动词+动词原形。 　　I dont know where she is, she may/might be in Wuhan. 2）情态动词+动词现在进行时。 　　At this moment, our teacher must be correcting our exam papers. 3）情态动词+动词完成时。表示对过去情况的推测。 　They couldn’t/can’t have finished this work by the end of last December.　　　　 推测的否定形式，疑问形式用cant, couldnt表示。 Mike cant/couldn’t have found his car, for he came to work by bus this morning. Where could he have gone? Can, could Nobody can stop the development of science (能力)区别be able to Can I ask you some questions about it? (允许) How can / could you be here ? 你怎么会在这儿？ (用于否定句、疑问句或感叹句中）表示猜测、怀疑或惊诧) When the storm stopped, the plane could take off. (表示客观上的可能性) 　. could His story could be true, but I hardly think it is. (轻微怀疑，委婉陈述看法） Could you lend me some money? (委婉请求） Couldn’t +have done+比较级 I couldn’t have felt more depressed when I heard about it. (再… 不过了） 固定搭配can Can’t but do=can’t help/choose but do =can’t help doing =can’t help it Can’t too (A man can’t have too many ties.) Can’t without (One can’t succeed without perseverance.) May/might May I come in ?（允许=can,回答） I wondered if they might agree with the idea .（推测,不用否定） You might have told me beforehand. 　　 (轻