16/2/2011 - WEDNESDAY

Assalamualaikum..lallala

Today i have been learned about prepositions..

so below is about preposition 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

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)

Prepositions of time

Preposition	Use	Examples
in	in months	in July; in September
	year	in 1985; in 1999
	seasons	in summer; in the summer of 69
	part of the day	in the morning; in the afternoon; in the evening
	duration	in a minute; in two weeks
at	part of the day	at night
	time of day	at 6 o'clock; at midnight
	celebrations	at Christmas; at Easter
	fixed phrases	at the same time
on	days of the week	on Sunday; on Friday
	date	on the 25th of December*
	special holidays	on Good Friday; on Easter Sunday; on my birthday
	a special part of a day	on the morning of September the 11th*
after	later than sth.	after school
ago	how far sth. happened (in the past)	6 years ago
before	earlier than sth.	before Christmas
between	time that separates two points	between Monday and Friday
by	not later than a special time	by Thursday
during	through the whole of a period of time	during the holidays
for	period of time	for three weeks
from ... to from... till/until	two points form a period	from Monday to Wednesday from Monday till Wednesday from Monday until Wednesday
past	time of the day	23 minutes past 6 (6:23)
since	point of time	since Monday
till/until	no later than a special time	till tomorrow until tomorrow
to	time of the day	23 minutes to 6 (5:37)
up to	not more than a special time	up to 6 hours a day
within	during a period of time	within a day