All English 4U

ALL ENGLISH 4U · B1 GRAMMAR PRACTICE

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UNIT 8 · B1 Grammar

Unit 8: Prepositions of Time and Place“in, on, at and to” – 53 interactive questions

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100% Original Practice Test · The Alder Quay Community Science Trail
Study the quick notes below, then work through exercises A–F for this unit. Use Check answers for an exercise, or Submit & Grade for all 53 questions. Read an explanation for every answer. Created by All English 4U.

📖 Grammar Reference – Prepositions of Time and Place

Study the notes, then work through the exercises for this unit.

Choose the relationship first: time, position, event or movement.In, on, at and to do not form one universal pyramid. Meaning helps you choose; common patterns are clues, while viewpoint and variety can also matter.

How to Form It

Use the preposition that shows how an event or thing relates to time and place.

TIME · PERIODS AND DATES

In / on / at + time

Use in for a period or part of a day; on for a day or date; and at for a clock time or conventional point in time.

The trail opens in May, and the first walk starts at 8.30 on Saturday.Month · clock time · named day.
Period
in + month / year / season / part of dayin October · in 2026 · in winter · in the morning
Day
on + day / date / day + part of dayon Friday · on 14 June · on Friday evening
Point
at + clock time / fixed expressionsat 6.15 · at noon · at night

Remember: no preposition before next, last, this or every: next Monday, last winter, this afternoon, every July.

PLACE · AREA, SURFACE, POINT

In / on / at + place

Use in when something is within an area or space, on for contact with a surface, and at when you view a place as a point, event or activity location.

The recorder is in the case; the map is on the table; the guide waits at the gate.Inside · surface contact · meeting point.
Inside
in + enclosed space / areain a room · in a city · in the water
Surface
on + surface / line / flooron the wall · on the coast · on the first floor
Point
at + specific point / eventat the entrance · at a lecture · at the station

Remember: a place can be described from different viewpoints. At a building often means its location or activity; in the building stresses being inside.

Statements, negatives and questionsThe sample is in the case.The sample is not on the desk.Is the sample in the case?The preposition stays with its noun; the verb forms the negative or question.
Movement and destinationto + destination: walk to the shoreinto / onto can stress crossing a boundary: go into the room · step onto the deckgo home has no preposition

Clue Words & Patterns

Notice the relationship in the whole phrase; clues do not decide every answer automatically.

When? Period, day or exact point?

in springon Tuesdayat 7.00at night

“The survey is on Thursday morning, and we meet at 7.00.”

Thursday is a day; 7.00 is a clock time.

Where? Inside, touching or at a point?

in a boxon a screenat the entranceat a concert

“The sample is in the jar; its label is on the jar.”

One object is inside; the other is attached to the surface.

Compare the viewpoint

LOCATION OR ACTIVITY

“We are at the science centre for a talk.”

The centre is the activity location.
INSIDE THE BUILDING

“We are in the science centre, near the aquarium.”

The speaker locates the group inside. Both are correct in context.
DESTINATION

“They walked to the platform.”

To shows movement towards a destination.
POSITION

“They waited at the platform.”

At gives the place where they waited.
ARRIVE IN A LARGE AREA

“The train arrived in Harbour City before lunch.”

Arrive in is common with cities, countries and regions.
ARRIVE AT A PARTICULAR PLACE

“The group arrived at the harbour gate at noon.”

Arrive at is common with a specific point, building or venue.
Street and weekend expressions can vary.

British English commonly uses in the street; on the street is also standard, especially in North American English or when the road surface is emphasised. British English often says at the weekend; on the weekend is common in North American English and understood elsewhere. Follow the variety you are learning and recognise both.

More about journeys and vehicles

Use to for a destination after movement: “We drove to the field station.” But go home has no preposition: “They went home after the walk.” With a car, people usually say in the car; with public transport, common expressions include on the bus, on a train and on a plane. Learn these as useful patterns.

In and on describe position. Into and onto can make movement across a boundary clearer: “She put the recorder in the case” and “She put it into the case” are both possible; into highlights movement inside. Likewise, “step on the boat” can describe the action, while “step onto the boat” highlights movement to its surface. Context and style affect the choice.

Watch Out & Common Mistakes

Check the whole time phrase, viewpoint, movement and English variety.

Do not treat one pattern as a rule without exceptions.

At can mean a location, event or time point. In can describe a room, city, period or container. The noun and intended relationship matter.

1. Using in with a named day

WrongThe walk is in Tuesday.

BetterThe walk is on Tuesday.

Use on for a named day or date.
2. Using on with a clock time

WrongThe ferry leaves on 8.20.

BetterThe ferry leaves at 8.20.

Use at for a particular clock time.
3. Confusing in and on

WrongWe pinned the paper chart in the wall.

BetterWe pinned the paper chart on the wall.

The paper chart is pinned to the wall surface. Use on for that contact.
4. Using to for position

WrongWe waited to the gate.

BetterWe waited at the gate.

Waiting describes a location; to marks movement to a destination.
5. Adding a preposition before home

WrongAfter the trip, we went to home.

BetterAfter the trip, we went home.

Go, come, get and arrive can take home directly as an adverb.
6. Adding in before next

WrongThe team returns in next Friday.

BetterThe team returns next Friday.

Do not put in, on or at before next, last, this or every + time period.

Quick check: choose, then read why

These unscored guide checks do not add to the test score.

The talk begins in / at 10.15.Check explanation

at — use at with a clock time.

The notebook rests flat in / on the desk’s wooden surface.Check explanation

on — the notebook rests on the desk surface. If it were in a drawer, use in.

The visitors walked at / to the harbour gate.Check explanation

to — walked describes movement to a destination. “They waited at the gate” describes position.

Before you start Exercise AAsk: Is this time or place? Is it a period, day, point, area or surface? Is there movement, and which English variety is being used?

Check your whole test

Submit to grade your whole test, OR use 👁 Show Answer per part / per question.

Review your learning

For each correction, identify a time, position or destination. Explain the phrase in context and compare in, on, at and to.

Show Answer displays a model and explanation while leaving your response unchanged. After editing an answer, check again. Write a short account of a community event using time and place phrases. Explain why each preposition fits.