英語語法情態(tài)動詞及練習(xí)題-wenkub.com
2025-04-01 01:47 本頁面
【正文】 t to hurry D) needn39。t know C) has known D) should have known ____ your tooth pulled out before it rot pletely.A) had better got B) had to get better C) had better to get D) had better get20. When we got to the cinema, the film hasn39。t have eaten C) mustn39。t go B) shouldn39。t to town to see the film yesterday. It will be on TV tonight.A) needn39。t have been D) wouldn39。 he____ last night.A) should study B) should have studiedC) must have studied D) must have to study3. The room is in a terrible mess。要是沒有你的幫助，我是不可能成功的。如：截止到那時，賓客們本來應(yīng)該到了。t have waited for me. 2）should have +過去分詞，表示應(yīng)該做某事但實際上未做，譯為“本應(yīng)該做某事”；should not + have過去分詞表示本不應(yīng)該做某事但實際上做了，譯為“本不應(yīng)該某事”。 He couldn’t have done that.4）could have done 過去可能做過某事。如：他一定是去過上海。 might / mightn’t。在這兩個方面must / mustn’t。d better / we had better).3）would rather do意為“寧愿做某事”，表選擇。如：It would be about ten when he left home.What would she be doing there?I thought he would have told you all about it.8. ought to的用法1）ought to表示應(yīng)該。I don39。Ask her to ring me up if you should see her. ⑥如果你萬一改變主意，請讓我們知道。should還可以用在if引導(dǎo)的條件從句，表示一件事聽起來可能性很小，但也不是完全沒有可能。② You are mistaken, I should say. 依我看，你是搞錯了。如：Shall we begin our lesson?When shall he be able to leave the hospital?2）shall用于第二、第三人稱，表示說話人給對方命令、警告、允諾或威脅。如：How dare you say I39。 You don39。 I had to work when I was your age.② must一般只表現(xiàn)在，have to則有更多的時態(tài)形式。 這肯定是你的筆吧。t have to。 He may be very busy now.3. must和have to的用法1) 表示必須、必要。在日常口語中，用Can I ... 征詢對方意見在現(xiàn)代口語中更為常見。如：You may drive the car.— Might I use your pen? I39。m afraid not.）如：Can you finish this work tonight?Man cannot live without air.— Can I go now? Could I e to see you tomorrow? ②can表示能力時，還可用be able to代替。ll not be able to e this afternoon.
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