Let's go through each exercise step by step and fill in the correct prepositions:
on, at, in, during, while, or
X where necessary.
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✔ Exercise 1: Put in on/at/in/for/during/while to complete these sentences.
a) The soldier was injured
during training.
👉 *“During”* is used for a period of time when something happens. Training is an ongoing activity.
b) My sister is arriving here
at half past two.
👉 *“At”* is used for specific times (e.g., 2:30).
c) I last saw her
in March last year.
👉 *“In”* is used for months and years.
d) He always got home late
in the evening.
👉 *“In the evening”* is a fixed expression.
e) They met each other
while they were holidaying in Pokhara.
👉 *“While”* shows that one action happened during another ongoing action.
f) Are you free
in the afternoon tomorrow?
👉 *“In”* is used with parts of the day (morning, afternoon, evening), especially with future references.
g) He walks
for two hours to get to work.
👉 *“For”* indicates duration (how long an action lasts).
h) She woke up
in the night and couldn’t sleep
for a long time.
👉 *“In the night”* refers to the general period; *“for”* shows how long she couldn’t sleep.
i) This happened
at about 6 AM
on Monday morning.
👉 *“At”* for specific time (6 AM); *“on”* for a specific day (Monday).
j)
In summer, she loves going for walks
in the evenings.
👉 *“In summer”* – season; *“in the evenings”* – part of the day.
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✔ Exercise 2: Choose the correct alternative from the brackets.
a) We were not there
in time to see the first part of the film.
👉 *“In time”* means "before it's too late" — a fixed phrase.
b) The people were unhappy because the programme didn’t start
on time.
👉 *“On time”* means “at the expected or scheduled time.”
c) Raju realised his mistake
at the end, and he apologised.
👉 *“At the end”* refers to a point in time — use *“at”* for points.
d) The driver braked mistake
in time to avoid hitting the child.
👉 *“In time”* again — meaning just before it was too late.
e) Everyone was tired
at the end of the long journey.
👉 *“At the end”* refers to the final point of something.
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✔ Exercise 3: Put in on/at/in where necessary. If not, put X.
a) Do you go to bed late
on every Saturday?
✘ Incorrect. Use
X — we don't say “on every Saturday.” Correct: “Do you go to bed late
every Saturday?” → No preposition needed.
👉 Answer:
X
b) She rarely comes
home in the winter holidays.
👉 *“In”* is used for periods like holidays.
→ She rarely comes home
in the winter holidays. ✔️
c) The doctor leaves his clinic
at four
in the evening.
👉 *“At”* for specific time (4 o’clock); *“in the evening”* is fixed. ✔️
d) It was
last Friday that I saw her near the market.
👉 *“Last Friday”* is a specific day — no preposition needed.
→ So:
X (no preposition)
e) He said he would pay back
in a week’s time.
👉 *“In”* is used for future time expressions: “in a week’s time” = after one week. ✔️
f) Does he stay
at home
on Saturdays?
👉 *“At home”* = location; *“on Saturdays”* = specific days. ✔️
g) We talked on the phone
this morning and arranged to meet.
👉 *“This morning”* doesn’t need a preposition.
→ So:
X
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✔ Final Answers:
####
Exercise 1
a) during
b) at
c) in
d) in
e) while
f) in
g) for
h) in, for
i) at, on
j) in, in
####
Exercise 2
a) in
b) on
c) at
d) in
e) at
####
Exercise 3
a) X
b) in
c) at, in
d) X
e) in
f) at, on
g) X
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Parent Tip: Review the logic above to help your child master the concept of grammar worksheet 9th grade.
