【正文】
知之,顯得應(yīng)使用 should /ought to have written表示遺憾之情。情態(tài)動(dòng)詞學(xué)習(xí)六要素 一、注意情態(tài)動(dòng)詞的推測用法 推測性情態(tài)動(dòng)詞共有三個(gè),其用法見表 情態(tài)動(dòng)詞 含義 適用句型 適用句型 可能,或許 肯定句 Must 一定,必須 肯定句 Can/could 可能,或許 否定句,疑問句 例 1: Are you ing to Jeff’s party? I’m not sure. I ____go to the concert instead.(NMET2020) A. must B. would C. should D. might 析:選 D。 二、了解情態(tài)動(dòng)詞的完成式用法 (一) should /ought to have done本來應(yīng)做而未做,表達(dá)遺憾感情色彩 例 1: I told Sally how to get there, but perhaps I ____for her.(NMET94) A. had to write it out B. must have written it out C. should have written it out D. ought to write it out 析: 選 C。 (二) may/might have done可能已做 must have done 一定已做 can’t have done不可能做 例 1: Where is my pen? I _____it.(NMET88) A. might lose B. wouldn’t have lost C. should have lost D. must have lost 例 2: The light in his room is still on, so he _____ to bed. A. mustn’t have gone B. must have gone C. shouldn’t have gone D. can’t have gone 析:選 D。該句用 can的委婉表達(dá)式could 來征求對方意見, could 和might通用,但回答時(shí)必須還成 can或 may,因此該題不選 A. 例 2: ____you mind my smoking here? A. Should B Could C. Might D. Would 析:選 D。由語境可知該答句表示 “ 不必 ” ,而 mustn’t表示 “ 不準(zhǔn)、禁止 ” ,不符合語境,顯然應(yīng)使用needn’t表示 “ 不必 ” ,但肯定句回答繼續(xù)用 must。從回答句 “ No, you needn’t”的語境可知,問句征求對方意見,表示 “ 需要 ” 而且用語第一人稱,要使用 shal