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還包括謂語都可以省略。 例____, it is quite easy to drill a hole in it with laser(激光). A. Hard although the diamond B. Hard as the diamond is C. As the diamond is hard D. Has hard is the diamond 解析:該題答案為B,在讓步狀語從句中,從屬連詞as可以表示though,但要用倒裝語序。They each不等于each of …, each of 這個詞組作主語謂語用單數(shù)如each of the students hands in their homework,而they each作主語,謂語要隨each前面的詞來變化。 例3, ____a long time since I saw you last time. A.It was B. It is C. It had been D. It can be 解析:該題答案為B,It is +時間數(shù)+ since引導(dǎo)的從句是一個句型,意為從…時候以來過了多久了。狀語從句可分為時間狀語、地點狀語、原因狀語、目的狀語、結(jié)果狀語、條件狀語、行為方式狀語、比較狀語、讓步狀語等多種。 ?。?)that指物時一般可與which互換,但在下列情況下,要用that而不用which。 名詞性從句 ?。?) 主語從句 What he wants is a piece of paper. It is believed that he can solve the problem. 注:主語從句的謂語動詞用單數(shù)。s…后加上shall we來表語氣婉轉(zhuǎn)、客氣,而在let us后加上will you。t, can, can39。t believe he does that, does he? 感嘆句 用what或how, What a beautiful park it is. How beautiful a park it is. How beautiful the park is. How we worked! 祈使句 Take care! Don39。t) you? ?。?) 陳述部分是there + be結(jié)構(gòu)時,反問部分用there,如:There39。t leave, need we? We don39。t have cleaned the classroom, because he didn39。t work harder. should表應(yīng)該,意為有責(zé)任,有義務(wù)。t./ No, you don39。 情態(tài)動詞與助動詞 I. 要點 助動詞本身無意義,在句中幫助主要動詞構(gòu)成一定的時態(tài),語態(tài)、語氣,或是幫助構(gòu)成否定句和疑問句,常用的助動詞有 be, do, have, shall(should), will(would). 情態(tài)動詞表一定的詞義,本身并不表示動作或狀態(tài),而僅僅表達(dá)說話人的態(tài)度,它在句中須和主要動詞一起構(gòu)成謂語, 主要的情態(tài)動詞有can(could), may (might), must, have to, ought to, need, dare, shall, should, will, would. can 能,可以,表說話人同意,許可還可表客觀條件許可,如:You can go now. 提建議或請求時可用can I, can you表客氣,如Can I buy you a drink? can和be able to表能力時的區(qū)別。 分詞使用中的幾個問題 現(xiàn)在分詞的完成式 Having cleaned the room, I went out. 現(xiàn)在分詞的否定式 Not having received any letter, he felt a little worried. 現(xiàn)在分詞與過去分詞的不同 現(xiàn)在分詞表示主動、正在,過去分詞表示被動、完成 I found the man killed there. I found the man standing there. have結(jié)構(gòu) We have the car repaired. We have repaired the car. We have Tom repair the car. We have Tom repairing the car the whole morning. 分詞作表語 We were excited at the news. The football game is exciting. 獨立主格結(jié)構(gòu) It being a fine day, we went out to visit the park. II. 例題 例Time_______, I39。 現(xiàn)在分詞和過去分詞的主要差別在于現(xiàn)在分詞有一般式和完成式,過去分詞則只有一般式。 它分為現(xiàn)在分詞和過去分詞兩類。 過去分詞不及物動詞表動作已經(jīng)完成,表主動。主語she是被問。s getting late. I have to go. Must I