④be worth doing用主动形式表示被动含义.
⑤在be + 形容词 + to do中,不定式的逻辑宾语是句子的主语,用主动代被动.
This kind of water isnt fit to drink.
The girl isnt easy to get along with.
另外:be to blame(受谴责),be to rent(出租)也用主动形式表被动.
(4)被动形式表示主动意义的几种情况.
①be seated坐着
He is seated on a bench.(He seats himself on a bench.)坐在凳子上.
②be hidden躲藏
He was hidden behind the door.(He hid himself behind the door.)他藏在门后.
③be lost迷路
④be drunk喝醉
⑤be dressed穿着
The girl was dressed in a red short skirt.
(5)被动语态与系表结构的区别
被动语态强调动作;系表结构表主语的特点或状态.如:
The book was sold by a certain bookstore.(被动语态)
The book is well sold.(系表结构)
二、精典名题导解
1. Do you like the material? Yes, it _____ very soft.
A. is feeling B. felt C. feels D. is felt
【解析】此题正确答案为C,因为 feel 在此为连系动词,而连系动词均为不及物动词,不能用于被动语态,尽管有时其汉语意思有被动意味.
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