Şimdiye kadar oraya varmalıydılar.
- They ought to have arrived there by this time.
By the time I reach the age of sixty-five, I will have worked for more than forty.
O zamana kadar yağmur durursa biz saat ikide başlayacağız.
- We will start at two o'clock if it has stopped raining by that time.
O zamana kadar çoktan ayrılmış olacağım.
- By that time I'll have already left.
I'll be an old man by the time you finish!.
... I brush my teeth all the time. ...
... I know you have a lot of free time, ...