before过去完成时能不能用在前面The sentence is :She had painted the apartment before she moved in.Can i say :Before she moved in the apartment,she had painted it.

before过去完成时能不能用在前面The sentence is :She had painted the apartment before she moved in.Can i say :Before she moved in the apartment,she had painted it. 现在完成时能用since.过去完成时不能用since吗? 他洗完衣服就去看电视了 英语能不能用过去完成时He ( )( )( )( )and watched TV. The company has been producing this model of machine tool ________ 2008.A.since B.for C.before答案选A为什么不选before.before作为副词不是也能引导现在完成时和过去完成时么. 德语：过去完成时用法!看了语法书,还是不太清楚什么时候用过去完成时.能用最简单的例子说明下什么情况下用过去完成时吗? 请问下过去完成时的用法have you been there?yes ,i have just been there.i had never been there before.请问i have just been there.为什么这句不能用过去完成时而后句又为什么要用过去完成时? always能用在过去完成时吗? I had stayed with her parents for two weeks 为什么不能用过去完成时? (主句)过去完成时+before+一般过去时(从句)怎样造句? 英语：before后面不能用未来时吗 我和以前不一样了 英语不能用before吗? 英语语法,求详解1、Which is .（nice）,this one or that one?2、The smiths .（fly） to Paris the day before yesterday.（为啥不能用过去完成时）3、.Taiwan Island .（lie） in the southbeast of China?（第一个空为什么不 i sent him a letter which was delivered a wrong address.这里的主句能不能用过去完成时?不是送信先,寄错后的吗?那不是过去的过去吗? 一般过去时与过去完成时的区别,见例句在昨天晚上8点之前我做了很多作业,为何用一般过去时,为何不能用过去完成时? 能不能用氯化钠洗脸? 能不能用铝锅熬药? 能不能用 our bodies 能不能用眺望造句