as soon as前后的动词用主将从现，主句用一般将来时，从句用一般现在时。
as soon as的用法一般是两种情况：
1、指未发生的动作，规律性是：主句一般将来时，从句用一般现在时替代一般将来时。如Iwilltellhimthenewsassoonashecomesback。注意有时候，以便刻意表述不久进行某件事就如何如何，必须用现在完成时。如IwillgowithyouassoonasIhavewashedmyface.
2、指随后发生的2个短动作，主从关系句都用一般过去时。如HetookouthisEnglishbook sassoonashesatdown。但是，因为我见过从句和主句都用一般现在时的状况。Assoonashe finisheshisclasswork,herunsoutoftheclass.他一做了课堂作业，就跑出了课室。
as soon as双语例句：
1、I'll be back as soon as I can.我会尽快回来。
2、I will come as soon as I possibly can.我会尽快赶来的。
3、Stop nagging—I'll do it as soon as I can.别唠叨了—我会尽快做的。
4、We'll get back to you as soon as possible.我们将尽快再跟你联系。
5、We'll deliver the goods as soon as we can.我们将尽快交货。
6、We'd like it as soon as possible.我们希望越快越好。
7、I'll call you as soon as I get home.我一到家就给你打电话。
8、As soon as he got home, the phone rang.他一到家，电话就响了。