period4grammarmodalverbs(編輯修改稿)
2024-08-13 16:30 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 3. 表示“請(qǐng)求”的情態(tài)動(dòng)詞的用法 will / would, shall/should * 均可表示將來(lái)。 過(guò)去時(shí)為 should, would. * will, would 可 表示意愿、常出現(xiàn)的動(dòng)作 。 在疑問(wèn)句中表示請(qǐng)求和建議 . must, could , may, might, can’t “推測(cè)，可能性”的情態(tài)動(dòng)詞 can 表示推測(cè)時(shí)，只能用在 否定句或疑問(wèn)句中 。 It’s so late. Can Tom be reading? 這么晚了，湯姆還在看書(shū)嗎？ 這個(gè)人不可能是瑪麗， 她生病了。 It couldn’t be Mary. She had fallen ill. 情態(tài)動(dòng)詞能表示時(shí)態(tài)嗎？ 1. 表示對(duì)現(xiàn)在的推測(cè) 2. 表示對(duì)過(guò)去的推測(cè) 表示推測(cè) —— 情態(tài)動(dòng)詞的重要用法 肯定的推測(cè) 可能的推測(cè) 否定的推測(cè) 疑問(wèn)的推測(cè) must 對(duì)將來(lái) 對(duì)現(xiàn)在 對(duì)過(guò)去 情態(tài)動(dòng)詞 may, might can’t, couldn’t can, could + V. + V. + have done 常見(jiàn) must be + be doing + V. + V. + have done + be doing 可以用 not表示“可能不” +V. + V. + have done + be doing + V. + V. + have done + be doing You look tired. You _______ go to bed now. should You _______________ believe everything you read on the Inter. shouldn’t/can’t My mother cooked a lot of food for me. She has been cooking all the morning. She must be tired now. I have just eaten a lot of food for lunch. You can’t be hungry now. My house is near the railway. It ____ be noisy there. must The old restaurant ______ be very good. It’s always full of people. The new restaurant ______ be very good. It’s always empty. must can’t Where is Jane? Perhaps she is reading newspapers. =She ________________ (read) newspaper. may be reading In China, many children ________ wear unifor
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