Prepositions of Time: at,
in, on
We use:
·
at for a PRECISE TIME
·
in for MONTHS, YEARS, CENTURIES and LONG PERIODS
·
on for DAYS and DATES
at
|
in
|
on
|
PRECISE TIME
|
MONTHS, YEARS, CENTURIES and LONG PERIODS
|
DAYS and DATES
|
at 3 o’clock
|
in May
|
on Sunday
|
at 10.30am
|
in summer
|
on Tuesdays
|
at noon
|
in the summer
|
on 6 March
|
at dinnertime
|
in 1990
|
on 25 Dec. 2010
|
at bedtime
|
in the 1990s
|
on Christmas Day
|
at sunrise
|
in the next century
|
on Independence Day
|
at sunset
|
in the Ice Age
|
on my birthday
|
at the moment
|
in the past/future
|
on New Year’s Eve
|
Look at these examples:
·
I have a meeting at 9am.
·
The shop closes at midnight.
·
Jane went home at lunchtime.
·
In England, it often snows in December.
·
Do you think we will go to Jupiter in the
future?
·
There should be a lot of progress in the next
century.
·
Do you work on Mondays?
·
Her birthday is on 20
November.
·
Where will you be on New
Year’s Day?
Notice the use of the preposition of time at in the following standard
expressions:
Expression
|
Example
|
at night
|
The stars shine at night.
|
at the weekend
|
I don’t usually work at
the weekend.
|
at Christmas/Easter
|
I stay with my family at
Christmas.
|
at the same time
|
We finished the test at
the same time.
|
at present
|
He’s not home at present. Try
later.
|
Notice the use of the prepositions of time in and on in these common
expressions:
in
|
on
|
in the morning
|
on Tuesday morning
|
in the mornings
|
on Saturday mornings
|
in the afternoon(s)
|
on Sunday afternoons
|
in the evening(s)
|
on Monday evening
|
When we say last, next, every,
this we do not also use at, in, on.
·
I went to London last June. (not in last June)
·
He’s coming back next Tuesday.
(not on next Tuesday)
·
I go home every Easter. (not at every Easter)
·
We’ll call you this evening.
(not in this evening)
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