一般过去时的被动语态是怎么构成的
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被动语态的结构是
“be
＋
过去分词”
，各种时态的变化就是助动词
be
的变化。be
的过去式是
was
(单三)
和
were，所以一般过去时的被动语态是
was
done
或
were
done。例如：
～The
room
was
cleaned.
～Some
of
the
rooms
were
cleaned.
“be
＋
过去分词”
，各种时态的变化就是助动词
be
的变化。be
的过去式是
was
(单三)
和
were，所以一般过去时的被动语态是
was
done
或
were
done。例如：
～The
room
was
cleaned.
～Some
of
the
rooms
were
cleaned.
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