This document discusses the use of prepositions IN, AT, and ON in English. IN is used to indicate places, dates, seasons, years, and months. It is also used in expressions like "in the morning" and "in my opinion." AT is used for specific places and hours. ON is used when something is on a surface or in expressions like "on holiday" and "on TV."

1. Prepositions IN, AT, ON

2. IN
• We use IN for places
• I live in Paris

3. We use IN with dates, seasons, years,
months
• It’s beautiful here in spring
• I was born
in 1982

4. We use IN with the following
expressions: in the morning, in the
evening, in my opinion, in fact

5. We also use AT for places
• I am at the theatre

6. We use AT with hours
• I will meet you there at 6 o’clock

7. We use ON when something is on a
surface
• The spacecraft is on the moon

8. We use ON with the following
expressions: on holiday, on foot, on a
diet, on TV