as soon as意为“一……就……”强调两个动作几乎是连在一起的，后接从句。当主句是一般将来时，as soon as引导的状语从句应用一般现在时；当主句是过去将来时，as soon as引导的状语从句应用一般过去时。
as soon as用法1.指未发生的动作，规律是：主句一般将来时,从句用一般现在时代替一般将来时。
2.当主句是过去将来时，as soon as引导的状语从句使用一般过去时。
3.指紧接着发生的两个短动作，主从句都用一般过去时。
as soon as用法造句（1）I will tell him the news as soon as he comes back.
他一回来，我就告诉他这个消息。
（2）I will go with you as soon as I have washed my face.
我洗完脸就跟你走。
（3）As soon as I went in，Kate cried out with pleasure.
我一进门，凯特就高兴地叫起来。
（4）As soon as he got inside, the dog shook himself.
他一进来，狗就开始摇头摆尾。
（5）Would you call me as soon as you find out?
你一弄清楚了就给我打电话好吗？
