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專四英語語法考點串講及真題再現(xiàn)-展示頁

2025-01-20 02:35本頁面
  

【正文】 might 表示征詢對方意見或表示請求時,回答應(yīng)相應(yīng)使用 can, may — Might I watch TV after supper? — Yes, you ________. A. may B. must C. might D. can 2. May I / we … ?這一類疑問句的肯定回答為 Yes, Certainly;否定回答為 Please don‘ No, you mustn‘ t. 例如: ―May we leave now? ‖ ―No, you mustn ‘ t. You haven‘ t finished your home work yet.‖ 3. need I / we … ?這一類疑問句的肯定回答為 Yes, we must。 3. needn’t+ have+過去分詞: ―本不必,本不須 ‖ ( need 只用于否定句) (做了) You needn’t have woken her up. It’s only six.你其實不必叫醒她。 ⑴ might/ could+ have+過去分詞: ―本來可以,早就應(yīng)該 ‖ (只用于肯定句,且不能用 may, can) You could have told me you were going to be late!.你應(yīng)當(dāng)早告訴我你會晚到的! ⑵ should( ought to)+ have+過去分詞: ―本應(yīng) ‖ (沒做) should not( ought not to)+ have+過去分詞: ―本不該 ‖ (做了) You should not have handed in your position yesterday 。只能用疑問句中 Can/ Could he have said it? 他可能說過那種話嗎? 3. may / might have ved:對過去的可能性推測,譯作 ―也許能,有可能。 needn‘ t 沒必要 ( = don‘ t have to ) used not/ usedn‘ t to 或 didn‘ t use to… 過去不 … dare not 不敢 不會;不能; *情態(tài)動詞推測用法 Must 一定,肯定 can?t (couldn?t) 不可能 4 外院英語專業(yè)四級語法串講 內(nèi)部資料 Can/ could 可能 may/ might ―可能,也許 ‖ Can?t (couldn?t) 不可能 May (might) not 也許不,可能不 *推斷用法 should/ ought to―按理應(yīng)當(dāng),應(yīng)該是; shouldn‘ t 不應(yīng)該 ( = ought not to ) *情態(tài)動詞+ have + done 結(jié)構(gòu)表示對過去動作的推測 1. must have done:對過去的肯定推測,譯作 ―一定做了 ?‖ ,只能用于肯定句中。Yes, Certainly;否定回答為 Please don‘ No, you mustn‘ t. 例如: ―May we leave now?‖ ―No, you mustn ‘ t. You haven‘ t finished your home work yet.‖ (4) need I / we … ?這一類疑問句的肯定回答為 Yes, we must。 否定回答為 needn‘ t (5)在回 答 must 引起的
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