英語(yǔ)語(yǔ)法情態(tài)動(dòng)詞及練習(xí)題-在線瀏覽
2025-05-22 01:47本頁(yè)面
【正文】 d, dare he?2）dare 可以做實(shí)義動(dòng)詞，敢。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(duì)方命令、警告、允諾或威脅。t work harder. （警告）He shall have the book when I finish reading. （允諾） He shall be punished. （威脅）should的含義較多，用法較活，現(xiàn)介紹三種其特殊用法。② You are mistaken, I should say. 依我看，你是搞錯(cuò)了。④ This is something I should have liked to ask you. 這是我本來想問你的。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。從句謂語(yǔ)should do，主句謂語(yǔ)卻不一定用虛擬語(yǔ)氣。Ask her to ring me up if you should see her. ⑥如果你萬(wàn)一改變主意，請(qǐng)讓我們知道。意為“竟會(huì)”。I don39。如：Would you pass me the book?2）表示意志、愿望和決心。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。He used to get up at 5 am when he was young.Be used to do 被用來做某事 be used to doing 習(xí)慣于做某事2）had better do意為“最好做某事”，后接不帶to的不定式。d better / we had better).3）would rather do意為“寧愿做某事”，表選擇。 I39。在這兩個(gè)方面must / mustn’t。 need / needn’t。 might / mightn’t。 ought等情態(tài)動(dòng)詞＋完成式表示的意思是有一定區(qū)別的表示已經(jīng)發(fā)生的情況：1）“must + have + 過去分詞”的結(jié)構(gòu)常用在肯定句中，表示過去肯定應(yīng)經(jīng)發(fā)生過某事。如：他一定是去過上海。如：他可能已經(jīng)把真相告訴他妻子了。 He couldn’t have done that.4）could have done 過去可能做過某事。如：你本來不需要等我的。t have waited for me. 2）should have +過去分詞，表示應(yīng)該做某事但實(shí)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(shí)際上做了，譯為“本不應(yīng)該某事”。I should have planned everything ahead carefully.我本來不應(yīng)該對(duì)他態(tài)度那么不好的。如：截止到那時(shí)，賓客們本來應(yīng)該到了。我本來可以贏這個(gè)游戲的，但我后來決定讓她贏。要是沒有你的幫助，我是不可能成功的。 otherwise she would have replied before now.A. couldn’t have received B. ought to have receivedC. has received D. shouldn’t have received例題3. ______ you continue your effort and succeed!A. must B. can C. should D. may例題4. — What does the sign over there read?—No person________ smoke or carry a lighted cigarette, cigar or pipe
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