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have的过去式和过去分词是什么??给点例句。。
2个回答
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have的过去式和过去分词都是had,但是具体应用有区别。
1.
表示过去用过去式:We
had
a
meeting
yesterday
.(发生在过去)
2.
表示现在完成(助动词的现在式+过去分词):We
have
had
a
meeting
just
now.(虽然发生在过去,却对现在产生了影响,即会议的进程在说话时依然清晰可见)
3.
表示过去完成(助动词的过去式+过去分词):We
told
him
we
had
had
a
meeting
the
day
before
yesterday.(发生在told的过去,即过去的过去)
1.
表示过去用过去式:We
had
a
meeting
yesterday
.(发生在过去)
2.
表示现在完成(助动词的现在式+过去分词):We
have
had
a
meeting
just
now.(虽然发生在过去,却对现在产生了影响,即会议的进程在说话时依然清晰可见)
3.
表示过去完成(助动词的过去式+过去分词):We
told
him
we
had
had
a
meeting
the
day
before
yesterday.(发生在told的过去,即过去的过去)
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