来源:网络资源 2022-04-22 15:14:20
由“助动词be + 动词的过去分词”构成。助动词be 有时态、人称和数的变化。
(1) 一般现在时:am/is/are +过去分词。如:
Rice is grown in south China. 华南种植水稻。
(2) 一般过去时:was/were+过去分词。如:
The glass was broken yesterday. 这块玻璃是昨天打烂的。
(3) 现在进行时:am/is/are being +过去分词。如:
The project is being carried out. 这个计划正在执行中。
(4) 过去进行时:was/were/being +过去分词。如:
This road was being built this time last year. 这条路去年这个时候还在修建。
(5) 一般将来时:will be +过去分词。如:
The cars will be sent abroad by sea. 这些汽车将由水路运往国外。
(6) 过去将来时:would be +过去分词。如:
The manager said the project would be completed by the end of the year. 经理说这个工程在年底前将会完成。
(7) 现在完成时:have/has been +过去分词。如:
This novel has been translated into several languages. 这本小说已被译成了几种语言。
(8) 过去完在时:had been +过去分词。如:
When I got to the theatre, I found the tickets had already been sold out. 我到达剧院时,发现票已卖完了。
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