Learn how to use the prepositions on, in, and at in different contexts.

1. Transportation

Preposition	Nouns	Examples
in	car, truck	I went to Vancouver in my car.
on	bus, train, ship, plane, bicycle	I went downtown on the bus. We travelled to Toronto on the train.

2. Days, Months, Years etc.

Preposition	Nouns	Examples
in	Months Years Lengths of time	She arrived in February. I was born in 1978. I'll be home in three days.
on	Days of the week Weekend	The party is on Thursday. He left on the weekend.
at	Times of day	I'll call you at 7.30.

Preposition	Nouns	Examples
on	The telephone TV/television The radio	I spoke to him on the telephone yesterday. I heard the news on the radio.

We don't use prepositions with words and phrases like this:

this morning
this afternoon
home
every week
last Tuesday
next year