The mother who lost her son insisted the careless driver was to blame for the traffic accident happening yesterday.请问下happening能换成happened吗?为什么happen做非谓语动词不是可以用过去分词的吗？

All of us ____help the little girl who lost her mother.用be willing to 的适当形式填空 Who _____(find) the lost key yesterday? The Man Who Lost His Soul 歌词 who lost the money?的中文是什么 1、The school____we visited yesterday is very famous. 2、I have lost the pen___my mother gave me .从that,which,who,whose,whom中选 who remembers the time we lost帮翻一下who remembers the time we lost The boy is lost.Help the boy f____ his mother. The boy who will go to Beijing The boy who lost his mother is very sad now 这两句定语从句怎样改为ing形式做后置定语的句子 Who is the husband of mother's mother Who is the husband of mother's mother 帮忙做几个英语句子(定语从句)Join the pairs of sentences with who,whom,which or that.Model:The woman is my mother.you are looking after her.The woman who you are looking after is my mother.1Here is the pen.You lost the pen the day before 同义句转换The girl lost her way =the girl who lost 什么如题 The mother who lost her son insisted that the careless driver _____ for the traffic accident ______ yesterday.A.was to blame ; happening B.be to blame ; happenedC.was to blame ; happened D.be to blame ; happening The mother who lost her son insisted the careless driver was to blame for the traffic accident happening yesterday.请问下happening能换成happened吗?为什么happen做非谓语动词不是可以用过去分词的吗？ The mother who lost her son insisted that the careless driver _____ for the traffic accident ______ yesterday.A.was to blame ; happening B.be to blame ; happenedC.was to blame ; happened D.be to blame ; happening 1.The boy ___ (ask) not to draw on the wall,wasn't he?1.Who ___(find) that lost girl?Her mother must be happy now.2.___ personal computers ___ (invent) in 1976?麻烦说明一下为什么？ 英语高手进来做一篇完型填词..oOOne morning a young woman,who has just lost her job,was examining the advertisements in a paper in search of other work.Suddenly she c__ out to her mother,who was in the kitchen.Listen to me,Mother!she c__ The little girl who got lost decided to remain __she was and wait for her mother在这里面remain后面跟的是什么 表语从句?remain系动词?