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英語四級

英語四級動詞的時態(tài)語態(tài)語法知識點

時間:2024-10-17 22:16:25 英語四級 我要投稿
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2017年英語四級動詞的時態(tài)語態(tài)語法知識點

  四級語法是英語學習中的基礎知識,大家在進行英語四級備考時,要在熟練掌握四級語法的基礎上,在平時的專項訓練中加以鞏固、理解和運用。小編已將四級考試中的語法知識進行了整理,并將動詞的時態(tài)語態(tài)語法知識點做了匯總,希望對大家有幫助。

2017年英語四級動詞的時態(tài)語態(tài)語法知識點

  動詞的時態(tài)

  1)現(xiàn)在完成進行時態(tài)(have/has been + -ing 分詞構成): 動作或狀態(tài)從過去某時開始,繼續(xù)到現(xiàn)在,可能繼續(xù)下去,也可能剛剛結束.

  I’ve been writing letters for an hour.

  I’ve been sitting in the garden.

  2)過去完成進行時(由had been + ing分詞構成): 過去某個時刻以前一直在進行的動作

  I’d been working for some time when he called.

  We had been waiting for her for two hours by the time she came.

  3)將來完成進行時: 將來某個時刻以前一直在進行的動作.

  By next summer, he will have been working here for twenty years.

  In another month’s time she’ll have been studying here for three years.

  4)將來完成時(由shall/will have + 過去分詞構成): 將來某時已發(fā)生的事.

  I shall have finished this one before lunch.

  They’ll have hit the year’s target by the end of October.

  動詞的語態(tài)

  可以有兩種被動結構的類型,例如:

  He was said to be jealous of her success.

  It was said that he was jealous of her success.

  能同時適用于上述兩個句型的主動詞通常都是表示“估計”,“相信”等意義的動詞,常見的有assume,believe,expect,fear,feel,know,presume,report,say,suppose,understand等.

  It is supposed that the ship has been sunk.

  The ship is supposed to have been sunk.

  擔當be supposed to 與不定式的一般形式搭配時往往表示不同的意義.例如:

  Why are you driving so fast in this area? You are supposed to know the speed to know the speed limit. (你應該曉得速度限制)

  雙賓語及賓補結構的被動語態(tài)

  雙賓語結構的被動語態(tài): 雙賓語結構變?yōu)楸粍诱Z態(tài)時,可以把主動結構中的一個賓語變?yōu)橹髡Z,另一個賓語仍然保留在謂語后面,但多數(shù)是把間接賓語變?yōu)橹髡Z.

  He was asked a number of questions at the press conference.

  Two days were allowed them for making the necessary preparations.

  賓補結構的被動語態(tài):

  She was called Big Sister by everybody.

  Then he was made a squad leader.

  He was considered quite qualified for the job.

  The room was always kept clean and tidy.

  短語動詞

  Vi + adv

  The plane took off two hours late.

  Vi + prep

  They looked round the Cathedral.

  Vi + prep (有被動語態(tài))

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