as soon as的用法包括:
表示「一…就…」,引導時間狀語從句,從句通常用一般現在時表示將來時間。如主句用一般將來時,從句要用一般現在時代替一般將來時,即「主將從現」。
例句:I will tell him the news as soon as he comes back.
他一回來,我就會告訴他這個訊息。
當主句是過去將來時時,as soon as引導的狀語從句使用一般過去時。
例句:He said he would come here as soon as he finished his work.
他說他完成工作後會立刻來這裡。
表示緊接著發生的兩個短動作,且主從句都用一般過去時。
例句:He took out his English books as soon as he sat down.
他一坐下就拿出了他的英語書。