不定式
动名词
分词
现在分词
过去分词
一般时
完成时
进行时
完成进行时
to do
to have done
to be doing
to have been doing
doing
having done
-
having been doing
being done
having done
-
having been doing
done
-
-
-
不定式
动名词
分词
现在分词
过去分词
一般被动式
完成被动式
to be done
to have been done
being done
having been done
being done
having been done
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发布者:ws2012
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