第1个回答 2012-03-10
1 When I have money in the future, i'll buy a new bike for you.( when 引导了时间状语从句,从句用一般现在时,主句用将来时)
2,When i came in ,I found no one left ( when 引导了时间状语从句,表示过去的事实,主从句都用过去时)
3.I was reading a book in the room when a dog ran in.(when=and at that time)
=While i was reading a book in the room , a dog ran in
4 Hardly had he arrived when he began to work.( hardly.had +主语+过去分词。。when +主语+谓语。)本回答被提问者采纳