The prepositions of time duration are essential concerning understanding ofwhen events occur. Is it in the
past? Will it last until a specified time? How long does it last? And so on...
The list of definitions with samples below should help you get a better understanding
of these tricky items. I recommend looking them over and then doing the exercise that follows. You can check your
The trip will last about ten days.
AS FROM / AS OF = unknown duration from a given time
The new tax law will be in force as from 31 January. As of today, I'm on a diet.
BETWEEN = from one specific time to another
I often go for a coffee between my morning and afternoon classes.
DURATION = A. period, or length, of time B. event within a certain period
The weather was horrible during our holiday; it rained everyday. He twisted his ankle during the game and walks with crutches now.
duration, or a given length of time
He taught English for 25 years before he retired.
FROM... TILL = duration between two given points
From the time he wakes up till the time he goes to bed he's on the move.
Wait a minute, will you? I’ll be back in just a few minutes.
duration from a given time until the present
That bakery has been in business since 1947.
THROUGHOUT = from the beginning to the end
Throughout his life, Gandhi advocated peaceful resistance.
duration to a given point
She lived her till 1985, then she moved to Chicago.
same as till
Until the day he died, the prisoner insisted he was innocent.
UP TO =
same as till
Up to now, I've visited four shoe stores looking for new shoes.
WITHIN = specified duration
The train will arrive within the next few minutes.