|Prepositions of time|
in 1998, in 2012
|days of the week
on Thursday, on Friday
|hours of the clock
at 7.30, at 8 o’clock
in January, in February
on 28 June, on 25 October
at Easter, at Christmas
|parts of the day
in the morning, in the afternoon, in the evening BUT at night)
|on Monday morning
on Thursday evening
on Friday night
|points in time
at the beginning, at the end of the week
in spring, in summer, in autumn, in winter
|Prepositions of time (during, for, over, by, until)|
|We use during to talk about something that happens within a particular period of time, to say when something takes place. We use during to talk about something that happens within the same time as another event.||During my time in London I visited a lot of interesting places.
He came to work during the morning meeting.
|We use over or in to talk about something that has been happening continuously up until the present, or will happen continuously in the future.||We’ve had a lot of problems over / in the last few months.
We expect a rise in sales over / in the next few months.
|We use for to say how long something continues.||I can only come for a few minutes.
I was waiting for him for two hours.
|We use by to say that something will happen or be achieved before a particular time.||It has to be finished by two o’clock.
He should return by the end of March.
|We use until to say that something will continue up to a particular time.||We’ll be here until July.
The concert went on until eleven o’clock.
|We use in to express a time (in the future) from now.||I’m going on holiday in a week. (one week from now)
I’ll be back in five minutes. (five minutes from now)