來源:中考網(wǎng) 作者:紫涵 2013-02-05 17:52:15
由“助動詞be + 動詞的過去分詞”構(gòu)成。助動詞be 有時(shí)態(tài)、人稱和數(shù)的變化。
(1) 一般現(xiàn)在時(shí):am/is/are +過去分詞。如:
Rice is grown in south China. 華南種植水稻。
(2) 一般過去時(shí):was/were+過去分詞。如:
The glass was broken yesterday. 這塊玻璃是昨天打爛的。
(3) 現(xiàn)在進(jìn)行時(shí):am/is/are being +過去分詞。如:
The project is being carried out. 這個計(jì)劃正在執(zhí)行中。
(4) 過去進(jìn)行時(shí):was/were/being +過去分詞。如:
This road was being built this time last year. 這條路去年這個時(shí)候還在修建。
(5) 一般將來時(shí):will be +過去分詞。如:
The cars will be sent abroad by sea. 這些汽車將由水路運(yùn)往國外。
(6) 過去將來時(shí):would be +過去分詞。如:
The manager said the project would be completed by the end of the year. 經(jīng)理說這個工程在年底前將會完成。
(7) 現(xiàn)在完成時(shí):have/has been +過去分詞。如:
This novel has been translated into several languages. 這本小說已被譯成了幾種語言。
(8) 過去完在時(shí):had been +過去分詞。如:
When I got to the theatre, I found the tickets had already been sold out. 我到達(dá)劇院時(shí),發(fā)現(xiàn)票已賣完了。
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