By the time you arrived in Sydney,we will have stayed in Austrilia for more than two weeks.为啥是w
问题描述：
By the time you arrived in Sydney,we will have stayed in Austrilia for more than two weeks.为啥是w
by the time主从句的时态到底是什么
答
您好,By the time you receive this letter, I _____ this city for my home town.
A．have left B．will have left
C．leave D．will leave
与by the time 连用的句子应该用什么时态,主要是看这个时间点发生在过去还是现在或将来.you receive this letter 是将来的时间点,所以题目中的这句话应该用将来完成时.答案是B.
By the time l got to the station,the train had already gone.