حروف اضافه(2) Prepositions of time
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 |
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
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?
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