英语口语句型大全
英语口语句型大全
将来某时刻正在进行的行为
过去某时刻完成的行为
He had been away when I arrived.
By yesterday/by last night/by the end of last week/by 1997/by then/by that time/by 10 yesterday morning
Up till last night/before daybreak/before dark/be fore I saw you last/when I got there