Şimdiye kadar oraya varmalıydılar.
- They ought to have arrived there by this time.
O zamana kadar yağmur durursa biz saat ikide başlayacağız.
- We will start at two o'clock if it has stopped raining by that time.
Onlar o zamana kadar on yıl evliler.
- They had been married for ten years by that time.
... What will people look back on when they look back on our time 200 or 250 years ago, from ...
... But when was the last time your doctor put a prescription ...