一、被动语态1 .被动语态的基本时态变化(1) 一般现在时 am/is/are + done( 过去分词 )Mary is expected to win
希望玛丽会赢
(2) 现在进行时 am/is/are being + doneA new cinema is being built here
这儿正在兴建一座新的电影院
(3) 一般将来时 will/be going to be + doneA talk of English history will be given next Monday
下周一将要做一个关于英国历史的演讲
(4) 一般过去时 was/were + doneHe was made monitor of the class
他被选为班长
(5) 过去进行时 was/were being + doneThe wall was being painted by these children yesterday
昨天这些孩子正在涂画这面墙
(6) 现在完成时 has/have been + doneYou have been told many times not to touch the pictures
已经多次告诉你不要动这些照片了
(7) 过去完成时 has been + doneBy the end of the hideandseek , I had been found in the tree
捉迷藏快结束的时候,我在树上被发现了
(8) 情态动词 can/must/should/
be + doneTrees can’t be planted in winter but in spring
冬天不能种树,但春天能
2 .被动语态的使用情况(1) 讲话者不知道动作的执行者或不必说出动作的执行者 ( 这时可省略 by 短语 )