Prepositions of place and time (in, on, at)

We use it for countries and cities: Spain, Mexico city, United States of America.

• on

• in

• at

we use it for dates or days: 1st March, Tuesday, valentine's day

• on

• in

• at

We use it for places, festival periods or times: school, university, 6 o'clock, the weekend, Christmas.

• on

• in

• at

I was born _____ July.

• on

• at

• in

We have an exam _____ Monday.

I was _____ the university when you called me.

I can't read books _____ a bus or a car

• in

• on

• at

I watch TV ____ night, I really enjoy it.

____ work

• in

• on

• at

____ 1948

• in

• on

• at