非謂語動詞的被動語態(tài)(不定式、動名詞和分詞)

非謂語動詞的各種形式也有被動語態(tài)，一般常用的是一般體和完成體的被動語態(tài)，如下表：
     非謂語動詞 被動語態(tài)形式
    一般 不定式 　
     to be done
     動名詞 being done
     現(xiàn)在分詞 being done
    完成 不定式 to have been done
     動名詞 having been done
     現(xiàn)在分詞 having been done
    例如:
    It is a great honor for him to have been elected a model worker. (不定式完成體的被動語態(tài))This new teaching method has the advantage ofshavingsbeen tried a number of times by experienced teachers. (動名詞完成體的被動語態(tài)）