Prepositions of time

Prepositions of time are used to indicate when an action or event occurs. They help establish the relationship between the action and the specific time or time period it takes place. Here are some common prepositions of time:

1. At: Used for specific points in time or for certain time expressions.

   Examples: at 3 PM, at midnight, at Christmas, at the moment, at present.

2. On: Used for days and dates.

   Examples: on Monday, on July 4th, on New Year's Eve, on the weekend.

3. In: Used for longer periods of time, months, seasons, years, and parts of the day.

   Examples: in the morning, in June, in winter, in 2023, in the 20th century.

4. For: Used to indicate the duration of an action or event.

   Examples: for two hours, for a week, for a long time.

5. Since: Used to indicate the starting point of an action that continues to the present.

   Examples: since yesterday, since 9 AM, since 2010.

6. By: Used to indicate a deadline or a point in time before which something should be done.

   Examples: finish the report by Friday, arrive home by 6 PM.

7. During: Used to indicate a time period within which something happens.

   Examples: during the summer, during the meeting, during the day.

8. From / To or From / Until: Used to indicate the starting and ending points of a time period.

   Examples: from Monday to Friday, from 9 AM until 5 PM.

Examples of prepositions of time used in sentences:

The party starts at 7 PM on Saturday.

She will be away for a month.

I have been studying English since last year.

The report must be submitted by the end of the week.

We had a picnic during the summer.

Using prepositions of time correctly is essential for communicating when events occur and for understanding the timing of different actions. Practice using these prepositions in various contexts to become more comfortable with their usage.