: immediately at or just after the time that
as soon as he came, the meeting began
* * *
As soon as is a conjunction. You use as soon as to say that something will happen immediately after something else has happened.
As soon as we get the tickets we'll send them to you.
Note that you usually use the simple present tense after as soon as. You do not use a future tense. You do not say, for example, `I will call you as soon as I will get back to my room'. You say `I will call you as soon as I get back to my room'.
Ask him to come in, will you, as soon as he arrives.
We're getting married just as soon as her divorce comes through.
When you are talking about the past, you use the simple past tense after as soon as.
As soon as she got out of bed the telephone stopped ringing.
Useful english dictionary. 2012.