被動語態(tài)的類型(2):不及物動詞形成
由不及物動詞+介詞或副詞形成的被動語態(tài)
Many trees are cut down by workers.
不及物動詞不能跟賓語,當(dāng)然就沒有被動語態(tài)了,但有的不及物動詞,后面跟上一個介詞或副詞后(即形成所謂的動詞短語),其作用和一個及物動詞一樣,這樣,在變成被動語態(tài)時,千萬不要把介詞或副詞去掉。
例如:
She looks after them.
(○)They are looked after by her.
(×)They are looked by her.
We laughed at him.
He was laughed at(by us).
?
動詞短語的被動語態(tài)
take care of(照看)→be taken care of
cut down(砍倒)→be cut down
laugh at(嘲笑)→be laughed at
look after(照料)→be looked after
?
被動語態(tài)的動詞短語
以下這些短語本身即是被動語態(tài)的形式,不需再加“by”。
be covered with??????????????????用……覆蓋著
be surprised at????????????????????對……感到驚奇
be known to???????????????????????出名
be interested in??????????????????對……感興趣
be made of(from)??????????用……制造的
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