when从句时态究竟这句话When I listened to the song,I () on the floor.这句话如果是回忆过去的话,（）里时态是不是可以用was?还是am呢?还是listen用错了呢?还是when的主从句都可以用一般过去时呢?

when从句时态究竟这句话When I listened to the song,I () on the floor.这句话如果是回忆过去的话,（）里时态是不是可以用was?还是am呢?还是listen用错了呢?还是when的主从句都可以用一般过去时呢? when从句时态应用? 英语时态：I wanted to know when they would go to see the great wall为什么这句话的从句用一般现在时,不用过去时? I'll never forget the Monday that /when you first arrived,这句话为什么可以用when,定语从句,用when时,从句不是只缺状语 I`LL meet Jimat the airport when he returns.这句话里的从句为什么要用一般现在时?从句我不太明白它们的时态When I got to France,he had gone to China.这一句里的时态又是怎么回事？ when引导的从句用什么时态 when的主.从句的时态用法 when的主.从句的时态用法 请问这句话,I still remember the first time when I met her.when 引导的是宾语从句还是状语从句?when状语从句，怎么会引导定语从句？ while引导的从句时态,主句时态 ,when引导的从句时态,主句时态 用when引导的从句中动词应该使用什么时态：When I ___ ,my shadow ___.（run） 时间状语从句前后究竟要不要加逗号?As I went by, he was . When I arrived, they were.这两句里逗号可以去掉吗?He was singing when I . 这句when前边需要加上逗号吗? when引导的状语从句,主句和从句是什么时态 主语从句：when i will win the medal seems unlikely这句话有问题吗?when能引导主语从句吗? 句话 用什么时态正确啊/when you see this message,I have left whent you saw this message ,I have let请问,从句的时态该怎么用啊?用 see,还是saw ,那个是对的. 请问when在这句话中引导的是什么从句?I haven't seen her since the time when she had the accident.when在这里是引导的定语从句还是时间状语从句呢? when i have finished it.疑问这是是什么时态? 从句是现在完成时主句用什么时态when I have learnt the swimming skill,I _____(feel)very proud.