外研版选修八Module 6 The Tang Poems - Grammar课件（28张PPT)

课件28张PPT。Book 8 Module 6The Tang Poems grammar 特征 情态动词所表示的情态有: 命令、允许、请求、拒绝、愿望、愿意、义务、必要、可能、敢于、需要等。情态动词没有人称和数的变化 can — could may — might will — would shall — should dare — dared need — needed have to — had to must — must (或had to) ought to — ought to shall not — shan’t will not — won’t can not — can’t must not — mustn’t should not — shouldn’t ought not to would not — wouldn’t could not — couldn’t dare not — daren’t need not — needn’tHow to use : must can/could may/might should & would偏偏1 Naturally, after I told her what to do, my daughter must go and do the opposite. 2 Who is the girl standing there? -- Well, if you must know, her name is Mabel. 必须,应当If you can’t finish the book by then, you must come and renew it. 对…肯定推测 He must be reading novels now. They have bought a new car. They must have a lot of money.禁止We mustn’t waste our time.能力 可以 请求/建议She can sing the song in English. This machine can make you feel comfortable.Can you wait a moment please?表示推测Can it be Mr. Green? It can’t be Mary. She has fallen ill. 客观可能性Children can often get ill suddenly 表示祝愿 允许 征求对方许可May I open the door? We may keep the book for two weeks.May you succeed! May you have a nice trip! 应当竟然，居然I am surprised that he should speak in such a way I should write some letters tonight. They should be there by now. 过去习惯性的动作客气地提出请求、愿望Would you do me a fovour? Would you have a cup of tea？ Occasionally they would go out and paint pictures.There must be a mistake. It can be true. In those days few workers could support their families. You may walk ten miles without seeing a house. He might get there on time. 表可能性 (推测)must can, could may, might肯定句语气强 弱语气强 弱She can’t be serious. We couldn’t have done better. People may not pick flowers in this garden. She was afraid they might not like the idea.表不可能 (推测)can’t, couldn’t may not, might not否定句表示推测的用法 情态动词+be，表示对现在或将来的推测 如： 我不知道他在哪儿，他可能在武汉。 I don’t know where he is, he may be in Wuhan. (2) 情态动词+be doing，表示对现在或将来正 在进行的情况进行推测，如： 此刻我们的老师肯定正在批改我们的考卷。 At this moment, our teacher must be correcting our exam papers. 情态动词+ have +p.p表示 对过去情况的推测。 The road is wet. It must have rained last night. Mike can’t have found his car, for he came to work by bus this morning. Philip may/might have been hurt seriously in the car accident. 表推测 must have done表示对过去发生事情的肯定推测，意为“一定，准是，想必……”，只用于肯定句中。 can / could have done表示对过去发生行为的怀疑和不肯定，通常用在否定句和疑问句中，意为“不可能……”。 may / might have done表示对过去发生的情况的推测，意为“也许，或许……”，一般只用于肯定句或否定句中，不用于疑问句。用might则表示语气更加不肯定。 Complete the sentences with must, can’t, and may/might.1. We _____ study English poetry nex ... ...