Having finished his work,he went home.可以改为finished his work,he went home吗..为什么..

73、______ his examination of the patient,the doctor wrote out a prescription.A：Having finished A：Having finished?为什么A：Having finishedB：FinishingC：FinishedD：Having been finished Having finished his work,he went home.可以改为finished his work,he went home吗..为什么.. having done后的动词时态有限制吗?举个例:Having ate his lunch,he had finished his homework. _______ his examination of the patient,the doctor wrote out a prescription.A：Having finishedB：FinishingC：FinishedD：Having been finished ____ his homework ,he went out to play footballA. FinishingB. Having finishedC. Being finishedD. Finished 现在分词的完成时态Having finished his homework,the boy went on to help his motherHaving finished his homework,the boy went on to help his mother.Not having finished his homework,he was forbiddento watch the game.两句中Having finished用 RT,-----------------,there was nothing else to do-----------------,there was nothing else to do 该填After he had finished his homework还是Having finished his homework the boy having finished his homework was playing the computer games这就话对吗the boy having finished his homework was playing the computer games与the boy finishing his homework was playing the computer games那句对? John received an inwitation to dinner,and with his work ___,he gladly accepted it.A finished B finishing Chaving finished D was finished可不可以用having been finished John received an invitation to dinner,and with his work ____,he gladly accepted it.为什么用finished而不用having finished? John receive an invitation to dinner ,and with his work（）he gladly accepted it 用having finished 还是finished为什么? John receive an invitation to dinner ,and with his work（）he gladly accepted it用having finished 还是finished为什么? __ finished his work ,he had to stay at home at the weekend.C.Not having D.Having not 选哪个嗯?请解析 语法问题having done 和done好象感觉差不多 比如having finished homework,he went out to play 和with his homework finished,he went out to play或者说第2句用with his homework having been finished 可以挖如果可以的话意思上什 Having finished his homework,he went out for a walk这个句子中Havingfinished 是后面句子中时态决定吗如果后面的时态变换 不是made 而是现在完成时前面的Having finished 会发生变化吗 什么变化 非谓语动词doing/having done/done区别依次为例句He sat in the seat,watching TV.Having finished his the homework,he played football with his classmates.Given more time,I’ll do it well. 1.John received an invitation to dinner,and with his work ___,he gladly accepted it.A.finished B.1.John received an invitation to dinner,and with his work ___,he gladly accepted it.A.finished B.finishingC.having finished D.was finished为什么不选 Tom has finished his work_.