1. Prepositions of Time
Rules for using in on at

2. Using: AT We use “at” with a time on the clock. Examples:
He left at 2:00 today.
2. I get up every morning at 5:30.
3. I’ll see you at lunchtime.
(lunchtime = around noon)

3. Using: AT We also use “at” in these expressions (memorize them!)
at night
at the moment
at the same time
at the beginning / end of . . .

4. Using: ON We use “on” for: Days of the week
-on Thursday, on Saturday, etc.
We also say: on weekends, on Friday morning, on Tuesday evening, etc.
Specific dates
-on March 12th, on May 1, 2010, etc.

5. Using: IN We use “in” for:
Longer periods of time, or more general times
-in April, in the 19th century, in 1990, in the 1970s, in the winter, in the summer
We also say:
-in the morning, in the afternoon, in the evening
We use “in” + a future time:
-in a few weeks; in six months; in 10 minutes

6. No preposition!
No preposition is used when we use time expressions with this _____ or last _____ or next _____.
Examples:
I’ll see you next Friday.
2. I had an important meeting last week.

7. Practice! In, On, or At? in on at ** in at in at on on on in Examples:
1. We got married ____ June.
2. We got married ____ June 12, 2008.
3. I have a meeting _____ 3:00 today.
4. We are going to have lunch _____ next Thursday.
5. I work _____ the morning, not _____ night.
6. I will travel to visit my family _____ a few weeks.
7. I’m always tired _____ the end of the day.
8. Celia doesn’t work _____ Saturday.
9. We enjoy taking a walk _____ Sunday afternoons.
10. The summer semester ends _____ July 23rd.
11. They bought their house _____ 2000. in on at ** in at in at on on on in

8. Practice makes Perfect!
Using prepositions correctly takes a lot of practice. For more practice, go to our class website:
-and look for activities
on prepositions.

9. -and always ask your teacher if you need help!
the end