文档介绍：Grammar and usage板块:教学设计—课件UnitUnit33Question tagsrevisionHe is very smart, isn’t he?+否定的附加疑问句The bell isn’t ringing, is it?+肯定的附加疑问句Let’s begin our class, shall we?3. 祈使句+,+ 否定(助/系/情+代词)?2. 否定句,+ 肯定(助/系/情+代词)?3. 祈使句,+ will you / won’t you?notesYou’ing, _________ ?John doesn’t like tea, ________?She can’t swim, _______ ?This is your car, _______ ?Tom saw the film, _______ ?Lily is from England, _________ ?es from England, _________ ?The students have finished their homework, __________ ?注意助动词、情态动词和系动词的选择aren’t youdoes hecan sheisn’t youdidn’t heisn’t shehaven’t youdoesn’t youQuestion tags can be used when you…?ask for agreement eg: you still go to the gym every day, don’t you ??ask for confirmationeg: you still go to the gym every day, don’t you?功能a falling intonationa falling intonation回答?肯定:Yes, 代词+(助/系/情+代词).?否定:No, 代词+(助/系/情+代词).You’ing, aren’t you?John doesn’t like tea, does he?Yes, I , I am , he , he doesn’, everyone, someone, no one, nobody, somebody 或不定人称代词时, ought to clean it today, oughtn’t they/shouldn’t they?, something, anything, nothing, this, that one, 或不定人称代词时, can stop us now, can't it?The car has hardly been cleaned for a few days, has it?, hardly, rarely,never, few, little, nobody, nowhere, nothing 等否定词或半否定词时,附加疑问句的动词用肯定形式区别He dislikes reading English aloud in the morning, ___________?He looked unhappy, _____________?doesn’t hedoesn’t he主句中若含有通过加前缀构成的否定词,尽管表否定意义,仍是肯定句,其后用问句用否定。