[摘要]最近幾年高考試題中常常借助語境來考查情態(tài)動詞的基本用法及其區(qū)別,因此在平時學習時準確理解和掌握情態(tài)動詞的基本用法十分重要。 情態(tài)動詞的用法復雜多變,在高考(課程)試題中,命題者常常利用語境和句子之間意義上的細微差別來考查學生對情態(tài)動詞的理解和掌握。對于情態(tài)動詞,除了要求考生能夠準確掌握它們的基本用法外,還要充分利用高考試題所設置的語境來分析句子之間所體現的特殊關系。下面就近幾年來高考試題中出現的情態(tài)動詞的考點進行歸納分析,以便同學們復習掌握。 一、用“情態(tài)動詞+have +done”結構表示對過去動作的推測,高考試題中常用過去時態(tài)或過去的時間狀語給以暗示。情態(tài)動詞的這一用法可以用 “對立統(tǒng)一”來概括。 1.當試題的前句和后句在動作和意義上相互補充說明,且整個句意在動作和時間上是一個整體時,我們可用“統(tǒng)一”關系來解決這樣的試題。常見的結構有: must have done: 表示對過去動作的肯定推測,常譯作“一定做了……”,只能用于肯定句中。其否定形式為can't/couldn't have done 疑問式為Can/Could...have done?。 could /might have done:表示對過去發(fā)生的動作的可能性推測,常譯作“可能做了……”。如: 1) Sorry I'm late. I _____ have turned off the alarm clock and gone back to sleep again. (北京 2000春) A. might B. should C. can D. will 該題前句說明了結果,后句接著說出了產生這種結果的可能性,對前句進行補充說明。分析選項可知本題應選A。 2) My sister met him at the Grand Theater yesterday afternoon, so he ____ your lecture. (上海 2000) A.couldn't have attended B.needn't have attended C.mustn't have attended D.shouldn't have attended 該題前句敘說一個客觀事實,后句對前句進行補充說明,分析選項可知C是錯誤的; 而B、D兩項不符合題意。故本題選A。又如: Jack ____ yet, otherwise he would have telephoned me. (上海'97) A.mustn't have arrived B.shouldn't have arrived C.can't have arrived D.need not have arrived (C) 2.當試題的前后句在動作和意義上構成轉折關系時,常借助“but, however, instead”等詞來表示過去的動作與客觀事實不符,這時我們就可以用“對立”關系來解決這樣的試題。這種結構常見的有: should have done / ought to have done:表示過去本應該做某事而實際上沒有做。 should not have done / ought not to have done:表示過去本不應該做某事但事實上卻做了。 need have done:表示過去本來有必要去做某事,但事實上沒有做。 need not have done:表示過去本來沒有必要做某事,但事實上卻做了。如: 3) I was really anxious about you. You _____ home without a word. (NMET2001) A.mustn't leave B.shouldn't have left C.couldn't have left D.needn't leave 分析該題前后句之間的關系和語氣可知,事實上是 “本不應該離家出走卻走了”,故本題選B。 4) I told Sally how to get here, but perhaps I _____ for her. (NMET'94) A.had to write it out B.must have written it out C.should have written it out D.ought to write it out 由句中的連詞but可知前后句之間是對立關系,分析題意可知本題應選C。 二、考查情態(tài)動詞基本用法之間的比較和辨析。最近幾年高考試題中常借助具體的語境來考查考生對那些最常見的情態(tài)動詞的基本用法的理解和掌握,因此在做這樣的試題時應認真分析語境中所含的實際意義,并結合情態(tài)動詞的基本含義和用法做出正確的選擇。 5) —Is John coming by train? —He should, but he ______ not. He likes driving his car. (NMET2002) A.must B.can C.need D.may mustn't 表示“禁止、不準”;cannot 表示“不可能”;need not 表示“不必要”;may not 表示“可能不”。分析語境可知本題應選D。 6) —I hear you've got a set of valuable Australian coins.___ I have a look? —Yes, certainly. (北京2002春) A.Do B.May C. Shall D.Should 分析語境可知這是在征求對方的許可,may表示“允許、可以”,語氣比較委婉 shall常用于第一、三人稱作主語的疑問句中,表示征求對方意見和指示,如果此空用shall,則意為“要(我)看一下嗎?”,不符合上下文意思。故本題選B。 7) Mr Bush is on time for everything. How ____ it be that he was late for the opening ceremony? (上海2001春) A.can B.should C.may D.must must be 表示肯定的猜測,只能用于肯定句中,由題意可知本題應選A。 8) —Are you coming to Jeff's party? —I'm not sure. I ____ go to the concert instead. (NMET2000) A.must B.would C.should D.might 由題意和下句中的 “I'm not sure” 可知這段對話中存在一種可能性推測,might可以用來表示一種比較委婉的可能性判斷,故本題選D。又如: I should have been there, but I _____ not find the time. (上海2000春) A.would B.could C.might D.should 分析題意可知第二個分句表示過去的某種能力;C 項只表示語氣上的可能性,與題意不符。故本題選B。 9) Johnny, you ____ play with the knife, you ____ hurt yourself. (NMET'96) A.won't; can't B.mustn't; may C.shouldn't; must D.can't; shouldn't mustn't 表示“不可以;禁止”,分析題意可知第二個空表示某種可能性,故本題選B。 10) —Will you stay for lunch —Sorry, ______. My brother is coming to see me. (NMET'99) A.I mustn't B.I can't C.I needn't D.I won't 分析題意可知因為“我弟弟要來看我”,所以“不能留下”,因此對別人的邀請或要求應給予禮貌的拒絕。A 項表示“禁止”;C項表示“不必要”;而D項表示“不會”,均不符合題意。故本題選B。又如: —Could I borrow your dictionary? —Yes, of course you _____.(MET'92) A.might B.will C.can D.should (C) 11)—When can I come for the photos? I need them tomorrow afternoon. —They _____ be ready by 1200. (NMET'98) A.can B.should C.might D.need 該題考查情態(tài)動詞should的基本含義,分析句意可知本題應選B。又如: The old man is always hunting the lions, so terrible things ____ happen to him.(上海'96) A.might B.would C.should D. could ? 12)The fire spread through the hotel very quickly but everyone ____ get out.(NMET'97) A.had to B.would C.could D.was able to 該題考查了could和be able to的區(qū)別,二者都可表示過去時間的能力,但如果表示過去成功地做了某事只能使用was / were able to do,故本題選D。 13)—Shall I tell John about it? —No, you ___.I've told him already. (NMET'94) A.needn't B.wouldn't C.mustn't D.shouldn't 情態(tài)動詞shall在試題中表示征詢對方意見或請求指示。答句暗示 “沒有必要了”,故本題選A。 |
[發(fā)布者:yezi] | ||
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