as soon as 引导的时间状语从句与其他的有什么不同?

2个回答

  • When ---当……时候, 通常指某一特定的时间点,主句与从句的动作同时发生.

    When I opened the window, I saw him come up.

    While ---在……期间,往往指一段时间.

    While I am washing the floor, you can be cleaning the windows.

    Before --- 在……之前

    Did you work as a stewardess before you come to this company?

    After --- 在…… 之后

    The plane took off after the air traffic controller gave clearance.

    Since ---自从……, 通常主句用现在完成时

    It is just a week since we arrived here.

    No sooner than --- 一……就……

    No sooner had he arrived than he went away again.

    Once --- 一但……就……

    Once you see him, you will never forget him.

    Every time, each time 每次whenever 每当