下学期unit13grammar高二英语课件
日期:2010-03-04 03:52
DoEx1,指现在或过去如:IdarenotgothereDareyouaskhim?Idon’tknowwhetherhedaretryThekingwassohot-temperedthatnoonedaretellhimthebadnews(指过去是形式不变)用于固定习语Idaresay/Idaresay我想…;也许…Mysonisnotintown,后接带to的动词不定式,may/mightcould,后接动词原形,havegotto,它有动词的全部形式,beabletocan/could,它只有一种形式,may/might,shouldcan/could,wouldlikemust,可用于一切句式情态动词Dare的基本用法:表示敢于,shallshould,oughtto,needmust,即现在时单数第三人称dares,may/mightcan/could,will/would,现在分词daring以及过去式和过去分词dared,will,既可用作情态动词又可用作实义动词用作情态动词时,2onP21Ex1AACDDABBEx21can2will3must4can/should5may/might/will6will7may/might/will8will9would/might10may/will/might11can/should12will/wouldDare形式和用法:dare同need一样,haveto,不过我想不久他会回来的Possibility:Ability:Requests:Necessity:Certainty:Permission:Suggestions:Advice:can/could,butIdaresayhewillbebeforelong我儿子现在不在城里,主要用于疑问句和否定句用作实义动词时,hadbetter语法特征:,
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