after before当主句用将来时,他们两个都是从句是用现在时吗?
问题描述：
after before当主句用将来时,他们两个都是从句是用现在时吗?
after 和before当主句用将来时,他们两个都是从句用现在时吗?
其它时候则相反对吗
答
当after 和before引导时间状语从句时,主句的谓语动词常用一般将来时.如：He will finish his homework before his father comes back.It will be a long time before Tom comes back from abroad.英语中,从句用一般...