高考英語情態(tài)動詞講解-文庫吧資料
2025-05-08 01:27本頁面
【正文】 so late today？你今天來的怎么這么晚？How should I know？我怎么會知道？（意為：我不知道。愿你平安歸來。愿我們彼此永不相忘。4. may可以用于祈使句，表示祝愿。3. can not（或never）等否定詞與enough連用表示“再……也不為過”。You may as well stay where we are。如：You may as well do it at once。她的模樣變化太大，你很可能認不出她了。他大可為兒子感到自豪。2. may well和may as well結(jié)構(gòu)（1）“may well + 動詞原形”是一種常用結(jié)構(gòu)，意為“完全能，很可能”，相當(dāng)于to be very likely to。如：I cannot but choose to go。I would love to have gone to the party last night but I had to work extra hours to finish a report。I raised objections at the meeting，but now I would rather not have done that。would rather have done表示“寧愿當(dāng)時做某事”，其否定式would rather not have done表達相反的含義，兩者都表示“后悔”之意。You had better have started earlier。My brother did it。You needn’t have taken a taxi here，for it was very near to my house。needn’t have done表示“做了本來不必去做的事”。You ought to have done this exercise more carefully。She might have caught a cold。I think he may have gone to bed。用might則表示語氣更加不肯定。may/ might have done“也許/或許已經(jīng)……”。can/ could not have done①“過去不可能……”②“過去沒能……”I saw Mr. Wang just now。They must have been asleep。你缺席的原因的是什么？（表示過去的必要性）（五） “情態(tài)動詞 + have done”用法一覽表（六）情態(tài)動詞 + 完成式意義例句must have done“想必/準是/一定做了某事”，否定式為can’t/ couldn’t have doneIt must have rained last night，for the road is quite muddy。（表示將來的必要性）You should have e to the conference yesterday。如：I should go and visit him this afternoon，but I wonder if I will be free。should表必要性時，在語氣上比must（必須）弱?！蛱焱砩瞎ぷ鞯胶芡砹藛幔俊皇呛芡?，我沒必要工作到很晚?！狣id you work very late last night？—No，I didn’t。It was harmful to your health。表示現(xiàn)在或?qū)肀仨氉瞿呈掠谩癿ust + 動詞原形”；表示現(xiàn)在或?qū)聿槐刈瞿呈聲r，用don’t have to do sth. 或don’t need to do sth. 或needn’t do sth.；表示過去沒必要做某事時，分為以下情況：①當(dāng)表示過去沒必要做某事，但事實上卻做了，用needn’t have done sth.；②當(dāng)表示過去沒必要做某事，而不涉及是否已經(jīng)做了，可用didn’t have to do sth. 或didn’t need to do sth. 或It was not necessary to do 。通知稱在所有試卷收上來之前，應(yīng)試者必須留在座位那里。）你馬上給我滾出去！他也一樣。如：You shall leave the room at once，and he also shall。3. 當(dāng)你自己（I）是決策者，給對方（you）或第三者（he，she，they）以命令、警告、允諾或威脅時，要
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