三种非谓语动词的时态变化1页.doc

三种非谓语动词的时态变化 一般式 完成式 进行式 完成进行式不定式 主动 to do to have done to be doing to have been doing 被动 to be done to have been done - to have been done动名词 主动 doing having done - - 被动 being done having been done - -现在 主动 doing having done - -分词 被动 being do