______many times ,he finally undertood it.A.Told B.Having be

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______many times ,he finally undertood it.A.Told B.Having been told
1._many times,he finally understood it
A.Told B.Having been told B
2._time,the postman refused to deliver our letters unless we chained our dog
A Bitten B.Having bitten
为什么这两道题不一致呢,既然第二道题用bitten,第一道题为什么不用told

亲：第一题是完成时的被动式,强调完成；第二题是一般时的被动式.只要认准被动式即可.第二题的B不是被动式.记住：完成式的动词先于谓语动词.
再问：第一题为什么要强调完成呢，用一般时的被动式为什么不可以第二题为什么不用having been bitten
再答：亲：谓语动词与分词之间有同时和完成。你觉得是同时还是完成啊？
再问：我觉得两道题都是完成啊，那第二题为什么不用having been bitten

______many times ,he finally undertood it.A.Told B.Having be ______many times ,he finally undertood it ___many times,he finally understood it.A、He is told B、Having Having been told many times,he finally understood it.Having Having been told many times,he finally understood it . Having been told many times,he finally understood it. ___many times,he finally understood it.A.Told B.Telling C.Ha _many times,he finally understood it!A.Told B.Telling C.Havi Having been told many times,he finally understood it.这个句子中为什 ___many times,he finallyy understood it A Told B Telling C H 1._many times,he finally understood it. _____ many times,he finally understood it.ks5u