Reference : http://esl.about.com/library/grammar/blgr_adverbclauses_time.htm
When :
Sherly was sleeping when I arrived.
Before :
We will coding before he arrives.
After :
While, as
By the time
Until, till
Since
As soon as
Whenever, every time
The first, second, third, fourth etc., next, last time
'IF' SENTENCES AND THE 'UNREAL' FUTURE
Will it be the same situation if the company pays for the shift in the future
