高中英語unit3grammarandusage教案牛津譯林版選修7(存儲版)
【正文】 e. I am to go abroad on business tomorrow. Tip: 1） be作為本動詞表示狀態(tài)或客觀存在等意思。 4) do(+not)+主詞用于附帶問句。t fet your medical card. Oh, it is wet outside. It must have rained yesterday. So it must be slippery outside. Do be careful! You needn39。 can, could 表示能力 ,相當(dāng)于 be able to。 must+原形動詞表示對現(xiàn)在情況的推斷。 used to 表示過去常常做某事。 could not (help) but 只能做某事。 must的否定式表示不準(zhǔn) ,禁止等意思。 would +原形動詞表示過去一段 時間的習(xí)慣。t help thinking of it. Must I go with you? No, you needn39。 2) do+主詞 +原形動詞構(gòu)成疑問句。 2. After learning auxiliary verbs, the students will be able to summarize usages of mon and important auxiliary verbs。 2） be +不定詞連用 , 表示約定、義務(wù)、命令等未來的動作或狀態(tài)。 5) do +原形動詞用于加強語氣句。t have told me that much. I dare not say it is ugly. How dare you say so? Tip: 1) shall表示發(fā)言者的意志 ,包括諾言、決心、強制等 。 can, could 表示懷疑、推測 ,一般用于疑問句或否定句。 needn39。 [Explanation] 清楚地分類呈現(xiàn) 助動詞，便于學(xué)生學(xué)習(xí)、記憶，為靈活運用助動詞打好基礎(chǔ)。 would rather表示寧愿做某事。 need可以對 must引導(dǎo)的一般疑問句作否定回答。 will+原形動詞用于所有人稱 ,表意愿。 4. modals（ shall/should/will/would/can/ could/may/might/must/need/dare） Ok, I shall do what you said. I shall never do such a thing. You shall give me a cigarette, or I shall tell the boss. Where shall I meet you? You should work harder. You must put on more clothes in case you should catch a cold. Will you give me a cigarette? This will be what you need. She will stand there
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