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。t go, but I say he shall. 他說(shuō)他不去,但我說(shuō)他必須去。 He shall stay in bed. 他必須躺在床上。Shall的用法:1.(用于第一人稱,表示將來(lái))將,會(huì)I shall be thirty next year. 明年我就三十歲了。(推測(cè)) 5.She should / ought to have attended your birthday party,but she had to look after her mother in hospital. (虛擬) 她本該出席你的生日晚會(huì)的,可是她得在醫(yī)院照顧她媽媽。 2.The door was locked. He can ( could ) not / may ( might ) not have been at home . 門鎖著,他不可能/可能不在家。 3.Mr. Bush is on time for everything .How can ( could ) he be late for the opening ceremony 布什先生一向準(zhǔn)時(shí),這次開(kāi)幕式他怎么可能遲到呢? 3.對(duì)過(guò)去情況的推測(cè),用“情態(tài)動(dòng)詞 + have +過(guò)去分詞”。 1.He must / may / might / could be listening to the radio now. 他一定/可能/也許正在聽(tīng)收音機(jī)。 2.She must/may/might/could walk miles and miles among the hills without meeting anyone. 她一定/可能/也許會(huì)在山里一連走好幾英里而遇不到一個(gè)人。 1.Could he have finished the task? 他可能把任務(wù)完成了嗎? 2.Can he be at home now? 他現(xiàn)在能在家嗎? (二)情態(tài)動(dòng)詞表推測(cè)的三種時(shí)態(tài) 1.對(duì)將來(lái)情況的推測(cè),用“情態(tài)動(dòng)詞 + 動(dòng)詞原形”。 2.He may not/might not know the scientist. 他也許不認(rèn)識(shí)那位科學(xué)家。 2.否定句中用can’t / couldn’t(不可能),may not/might not(可能不)。 1.He must/can/may,might know the answer to this question. 他一定/可能/也許知道這個(gè)問(wèn)題的答案。 May I have your name? 我能知道你的名字嗎? Shal