Prepositions of Time
In, at, on and no preposition with time words:
Prepositions of time - here's a list of the time words that need 'on', 'in', 'at' and some that
don't need any preposition. Be careful - many students of English use 'on' with months
(it should be 'in'), or put a preposition before 'next' when we don't need one.
times: at 8pm, at midnight, at 6:30
holiday periods: at Christmas, at Easter
at at night
at the weekend
at lunchtime, at dinnertime, at breakfast time
days: on Monday, on my birthday, on Christmas Day
on days + morning / afternoon / evening / night: on Tuesday morning
dates: on the 20th of June
years: in 1992, in 2006
months: in December, in June
decades: in the sixties, in the 1790s
in
centuries: in the 19th century
seasons: in winter, in summer
in the morning, in the afternoon, in the evening
next week, year, month etc
last night, year etc
no
this morning, month etc
prep
every day, night, years etc
today, tomorrow, yesterday
Prepositions of Place
Prepositions of place can be difficult - here's some help about using 'at', 'in' and 'on'
when you're talking about where things are.
Basics:
If something is contained inside a box or a wide flat area, we use ‘in’:
in the newspaper in a house
in a cup in a drawer
in a bottle in a bag
in bed in a car
in London in England
in a book in a pub
in a field in the sea
in my stomach in a river
If something is on a line or a horizontal or vertical surface, we use ‘on’:
on the table on the wall
on the floor on the window
on my face on a plate
on the page on the sofa
on a chair on a bag
on the river on a t-shirt
on the ceiling on a bottle
on a bike on his foot
If something is at a point, (it could be a building) we use ‘at’:
at the airport at the door
at the table at the bus stop
at the cinema at the top
at the bottom at the pub
at the traffic lights at the front
at the back at school
at university at the window
at the hospital at the piano
Here are some more common ones that don't really fit:
on TV
on the bus
on a train
on a plane
on the radio
at home
at work