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
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at dinnertime
|
in 1990
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on 25 Dec. 2010
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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
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on New Year's Eve
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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.
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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