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All right.No,I won’t.I’m sorry I can’t. Won’t wouldshall Shall I…(我要…嗎?) Shall I help you?(要我?guī)湍阕鳇c(diǎn)事嗎?) Yes,thank you.Yes,please.No,thank you. Shan’t should Shall we…(我們一起…嗎?) Shall we go swimming?(我們?nèi)ビ斡驹趺礃???All right.Yes,let’t go.No,let’s not must 表示必要性,意為“必須,應(yīng)該,一定要” You must not be late again to tomorrow!(你明天一定不能來晚?。。?Yes,you mustNo,you needn’tNo,you don’t have to Mustn’t 表示推測 Look at his red face,he must have drunk a lot.(看看他通紅的臉,他一定又喝了不少酒)They must be palying mahjong now.(他們現(xiàn)在一定又在打麻將) would Would you…(表示客氣請求) Would you trun down the radio a little?(你把聲音關(guān)小一點(diǎn),行嗎?) That’s no trouble cot all.I’m sorry I can’t. Wouldn’t 第14課 情態(tài)動詞must用法: (1)表命令:you must not be late again tomorrow!你明天可一定不能遲到! (2)表對現(xiàn)在推測:they must be playing mahjong now!他們現(xiàn)在一定又在打麻將! (3)表對過去推測:look at his red face,he must have drunk a ,他一定喝了不少酒。八種時代的總結(jié) 一般現(xiàn)在時 一般過去式 一般將來時 現(xiàn)在進(jìn)行時 過去進(jìn)行時 將來進(jìn)行時現(xiàn)在完成時 過去完成時時態(tài)的種類及形式: 舉例說明:He(他)(work工作)時態(tài) 以時間分 現(xiàn)在 過去 將來 以動詞分 一般 進(jìn)行 完成 完成進(jìn)行 現(xiàn)在 過去 將來一般 He works He worked He will work進(jìn)行 He is working He was working He will be working完成 He has worked He had worked He will have worked完成進(jìn)行 He has been working He had working 第13課 情態(tài)動詞 情態(tài)動詞的概念:Can、May、Could這些詞,用法與助動詞相似,但是有它們自己的意思。具體參照“不規(guī)則動詞表”。 變化形式:大多數(shù)動詞的過去分詞的外形和動詞的過去式完全一樣。 (2)現(xiàn)在完成時的否定和疑問形式:否定形式在have、has后加not;疑問形式將Have、has提前,如Has Tom gone out。如marry(結(jié)婚)就不能marry一年兩年。