Let's solve each sentence by choosing the correct preposition (
in,
at, or
on) based on the rules provided:
---
Rules Recap:
-
"In" → months, years, seasons, historical periods (e.g., *in December*, *in 2020*, *in winter*, *in the Middle Ages*)
-
"At" → specific times, meals, or places (e.g., *at 12:00*, *at breakfast*, *at home*)
-
"On" → days of the week, specific dates (e.g., *on Monday*, *on June 5th*)
---
Now, let’s go through each sentence:
---
1)
The boys start eating their lunch in/at/on 12:00.
→
at
✔ *12:00* is a specific time →
at
---
2)
It snows all the time in/at/on December.
→
in
✔ *December* is a month →
in
---
3)
They practice soccer in/at/on Saturday.
→
on
✔ *Saturday* is a day of the week →
on
---
4)
Sir Isaac Newton was born in/at/on the 17th century.
→
in
✔ *the 17th century* is a historical period →
in
---
5)
In/At/On breakfast, she drinks coffee with only sugar.
→
At
✔ *breakfast* is a meal →
at
(We say "at breakfast", not "in" or "on")
---
6)
In/At/On the middle ages, armies used swords.
→
In
✔ *the Middle Ages* is a historical period →
in
---
7)
She had the job interview in/at/on the 2nd of June.
→
on
✔ *the 2nd of June* is a specific date →
on
---
8)
The boys always have fun in/at/on festivals.
→
at
✔ *festivals* are events/places → we use
at for events or locations
(“at festivals” is correct)
---
9)
She goes to dance class in/at/on Wednesdays.
→
on
✔ *Wednesdays* is a day of the week →
on
---
10)
They got married in/at/on August.
→
in
✔ *August* is a month →
in
---
11)
They had a baby in/at/on 2016.
→
in
✔ *2016* is a year →
in
---
12)
The surgery occurred in/at/on January 3, 2018.
→
on
✔ *January 3, 2018* is a specific date →
on
---
13)
In/At/On Saturday, we usually go to the park.
→
On
✔ *Saturday* is a day of the week →
on
---
14)
The children start school in/at/on 8 o'clock.
→
at
✔ *8 o'clock* is a specific time →
at
---
15)
The birds fly south in/at/on winter.
→
in
✔ *winter* is a season →
in
---
✔ Final Answers:
1.
at
2.
in
3.
on
4.
in
5.
at
6.
in
7.
on
8.
at
9.
on
10.
in
11.
in
12.
on
13.
on
14.
at
15.
in
---
Summary of Rules Applied:
- Use
in for general time spans: months, years, seasons, centuries.
- Use
at for precise times and meals.
- Use
on for specific days and dates.
This helps ensure clarity and correctness in English grammar when referring to time.
Parent Tip: Review the logic above to help your child master the concept of prepositions worksheet 7th grade.
