having done后的动词时态有限制吗?举个例:Having ate his lunch,he had finished his homework.

having done后的动词时态有限制吗?举个例:Having ate his lunch,he had finished his homework. having done的句子是什么时态的,having done 咋用~ 非谓语动词被动态的done和having been done有什么区别?如题 having been done是什么时态? 非谓语动词中being done ,done,having been done,have done 有什么区别 分词的完成时主动语态为having+done,动名词的完成时态为having+V.ed?难道这两者在这里的动词还有不同要求吗 英语非谓语动词中有having been done,那有没having done形式? 英语非谓语动词区别having done和done表 示完成的时候这两个有什么区别 当动词作句首时类似于_______（动词） 叫你填入正确的时态 为什么有的直接用动名词就可以 有的要用像having done、动词+ed等的时态呀 该如何区分呢 高中英语语法非谓语动词being done和done以及having being done的区别 英语完成时态的动词有没有限制?那持续性动词和非持续行动词是怎么回事? 英语语法的doing done does分别代表动词什么时态 英语中having done是什么时态? 有没有imagine having done的结构? 非谓语动词to have done & having done 有什么区别?三克油 怎么区分谓语动词,to do doing done 和to be doing to be done to have done 和beingdlonehaving done having been done?越具体越好 有分的=3=谢谢你们 现在分词作状语的时态问题现在分词作状语时有1.doing 2.having doing 3.having been done 4.being done后两个可以理解,但是前两个有什么区别呢?例题：——the earth to be flat ,many feared that Columbus would fall off having done放句首的时候句子的时态如果是现在完成时的话，后面的句子不该出现动词的过去式该是一般式吧。可是我遇到一道题后面是done的形式啊。