prepositions of time

Let´s take a look at some prepositions of time. Exercises below

PREPOSITION	USE	EXAMPLES
in	in months	in July; in October
	year	in 2005; in 1798
	seasons	in summer; in the summer of 89
	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 8o’clock; at midnight
	celebrations	at Christmas; at Easter
	fixed phrases	at the end of the week at the same time
on	days of the week	on Sunday; on Friday
	date	on the 25th of December
	special holidays	on Easter Sunday; on my birthday
	a special part of a day	on the morning of September the 11th
after	later than something.	after school
ago	how far something happened (in the past)	20 years ago
before	earlier than something.	before Christmas
between	time that separates two points	between Monday and Sunday
by	not later than a special time	by Wednesday
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	10 minutes past 3 (3:10)
since	point of time	since Monday
till/until	no later than a special time	till tomorrow until tomorrow
to	time of the day	20 minutes to 6 (5:40)
up to	not more than a special time	up to 8 hours a day
within	during a period of time	within a day