Radit :"Do you work on Mondays ,Kesi ?"
In preposition of time We use:
•at for a PRECISE TIME
•in for MONTHS, YEARS, CENTURIES and LONG PERIODS
•on for DAYS and DATES
at in on
•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
1. at 4 o'clock in May on Monday
2.at 10.50am in summer on Sundays
3.at noon in the summer on 18 July
4.at dinnertime in 1980 on 25 Dec. 2012
5.at bedtime in the 1996s on Christmas Day
6.at sunrise in the next century on Independence Day
7.at sunset in the Ice Age on my birthday
8.at the moment in the past/future on New Year's Eve
Look at these examples:
•I have a meeting at 10am.
•The shop closes at midnight.
•Minzy 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 21 June.
•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 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 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 Canada last June. (not in last June)
•He's coming back next Monday. (not on next Monday)
•I go home every Easter. (not at every Easter)
•We'll call you this evening. (not in this evening)