为什么用not having recieved 作句子开头而不用having not received?

为什么用not having recieved 作句子开头而不用having not received? Not having got any answer,he was rather worried.这句为什么用having? Huang TAO said having conversations with friends -----(not be )help at all 为什么用having not having receiving the letterhe decided to write again为什么用having receiving _____my homework ,l was not allowed to watch TV.为什么用not having finished 为什么用having?Not having a good excuse for being late ,sally made one up.前半句中为什么用-ing形式? To this day I do not regret having made that remark.为什么用having made而不是making? having lunch in ...为什么用having not having done 还是having not done 为什么 我纠结半天了 Not having done 怎么去用 ----a reply,he decided to write agqin.A.not receiving B.not having C .having not received 选什么,为什么 Not having received a reply,he decided to write another为什么是NOT HAVING RECEIVED,不是NOT RECEIVED为什么这里要用动名词 为什么HAVING在这里做VERB那么RECEIVED做什么,RECEIVED本身不是动词吗?为什么还要加HAVING 语法,非谓语_____ the thesis in time made the professor rather angry.A.The student's not having completed B.The student not having completedC.the student's having not done D.the students having not done为什么要用student's 不用student 还 TOM is not having been trained as a dancer is her own regret.这里为什么要用having been done呢,直接用done 可以吗? She left _(not having) her handbag用一个词代替 NOT HAVING,快 not having done 还是having not done? to my --,he was able to recie the whole poemA amazement B.Amazed C.Amazing D.In amazement 为什么不选b or c 英语翻译为什么用having called?