


Unit 6
语法?/p>


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熟练掌握本模块的一般过去时被动语态?/p>


一般过去时的被动语?/p>
·
基本结构
肯定式:
was /were +
动词的过去分?/p>
The zipper was invented by Whitcomb Judson in 1893.
否定?/p>
:
主语
+was /were + not +
过去分词
+ by
She was not given a painting by him .
一般疑问句
:Was /Were +
主语
+
过去分词
+by ?
Was the zipper invented by Whitcomb Judson in 1893?
特殊疑问?/p>
:
特殊疑问?/p>
+was/were +
过去分词
+by
Who was it/were they invented by?
When was tea first drunk?
When was tea brought to other countries?
How was the cat found?
·
主动变被动的方法
第一步:把主动语态的宾语变为被动语态的主语?/p>