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.
Onlar o zamana kadar on yıl evliler.
 - They had been married for ten years by that time.
O zamana kadar bütün dükkanları kapalı buldum.
 - I found all the shops closed by that time.
I'll be an old man by the time you finish!.
... an espresso machine so successful I'll be buying Google in about 15 years time ...
... Now it may seem to be economical to build a nuclear power plant, but in 10 years time, ...