used to,have to, had better变为被动态时,只需将其后的动词变为被动态。
Trees should not be planted in summer.
The boy was made fun of by his classmates.
Newspapers used to be sent here by the little girl.
汉语有一类句子不出现主语,在英语中一般可用被动结构表示:
It is believed that…
It is generally considered that…
It is said that…
It is well known that…
It must be pointed out that…
It is supposed that…
It is reported that…
It must be admitted that…
It is hoped that…
被动语态的句型1.常见句式是:主语(受动者)+be+过去分词+(by+施动者)He was scolded by the English teacher.
2.主语+get+过去分词+其它成分The boy got drowned last summer./ She got fired because of her faults.
使用这种结构不能带有“by+施动者”
3.带有双宾语(直接宾语和间接宾语)的主动句变为动句,其主语可以是直接宾语,也可以是间接宾语。
She lent me a bike.(被动:I was lent a bike(by her). ②A bike was lent to me(by her).
4.情态动词+be+过去分词This problem must be worked out in half an hour.
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