【被动语态句式结构】
1 一般现在时的被动语态:主语+be+done
此处be动词有am / is /are 三种形式
Example: I am asked to work every day.
This book is bought in Yunlong Bookshop.
His sisters are sent to his aunt's home.
2 一般过去时的被动语态: 主语+be +done
此处be动词有was/were 两种形式
Example: His bike was stolen last night.
The doors of the classrooms were locked by the workers .
3 含有情态动词的被动语态: 主语+ 情态动词 + be + done
常见的情态动词如: can ,could ,may might ,must .should .would 等。
Example: Two books can be borrowed at a time.
Your homework must be finished before lunchtime.
The dogs should be taken out for a walk often.
4 一般将来时的被动语态: 主语 + will/ be going to + be + done
Example: The party will be held in the school hall tomorrow evening.
Lots of trees are going to be planted on both sides of the river soon.
5 现在完成时的被动语态: 主语+ have/ has +been +done .
Example: The patient has been operated on by Doctor Ma.
The new books have been donated to the mountain areas.
【专项练习】根据句意及所给单词完成句子,每空限一词
1 Our doors _______ _________ blue last week by the workers. ( paint )
2 His new bag _________ _________ in a big shop yesterday. ( buy )
3 -------Why are you crying here?
------- Because my money _________ ________ .( steal )
4 A big supermarket _______ ______ ________ in the town center next year. ( build )
5 Many rivers and lakes ________ ________ _________ by the dirty water so far . ( pollute )
6 ------- Where is my little cat,Mum ? I can't see it.
------- Oh, the cat ______ _______ ________ away by your cousin already ,( take )
and it ______ _______ __________ back next month. ( send )
7 The magazines can only ______ ________ in the library,( read )
8 The article must _______ _______ in English. ( write )
【答案】
1 were, painted,关键词: last week
2 was , bought,关键词: yesterday
3 is,stolen ,关键词 :are
4 will ,be, built,关键词:next year
5 have ,been,polluted 关键词: so far
6 has, been , taken ,关键词: already
will , be ,sent 关键词: next month
7 be, read 关键词:can
8 be , written 关键词: must
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