Prepositions with nouns

By, of, on, for or in bus?

English uses different prepositions with bus depending on whether you mean transport, location, purpose, or another relationship.

Quick answer

Which prepositions are correct with bus?

Use by bus for means of transport and on the bus for travelling as a passenger. In a bus is possible when focusing on being inside the vehicle physically. Of bus is not a standard combination by itself, and for bus usually needs a larger phrase such as ticket for the bus.

We travelled by bus to the airport.
She left her bag on the bus.
Several children were sleeping in the bus after the trip.
He bought a ticket for the bus to Bristol.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
by + bus

Talking about means of transport

Use by bus to explain how someone travels.

Most students come by bus.
They decided to travel by bus instead of driving.
2
on + the bus

Talking about passengers and travel

Use on the bus for riding as a passenger or being aboard.

I met her on the bus yesterday.
There were too many people on the bus this morning.
3
in + a/the bus

Focusing on physical position inside the vehicle

In the bus is possible when the physical interior matters, though on the bus is more common for passengers.

It was extremely hot in the bus during the summer.
They waited in the bus while it rained.
4
ticket/pass for + bus

Showing purpose or intended transport

For bus usually appears as part of a larger phrase.

She bought a pass for the bus service.
Do you have enough money for the bus?

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
by bus
We went there by bus.
Shows the method of travel.
on the bus
He fell asleep on the bus.
Shows that someone is travelling aboard the vehicle.
in the bus
There was no air conditioning in the bus.
Emphasises the interior space or physical location inside.
of bus
The phrase of bus is not standard by itself.
Use bus as a noun directly or use a fuller phrase such as the door of the bus.
for bus
She paid for the bus to the station.
For can relate to payment, purpose, or intended use, but not as a fixed combination with bus.

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using by the bus for transport method

Use by bus without an article when naming transport type.

✕ We travelled by the bus. ✓ We travelled by bus.

Using of bus alone

Of bus is incomplete unless another noun comes before it.

✕ He heard the sound of bus. ✓ He heard the sound of the bus.

Confusing on the bus and in the bus

On the bus is the usual phrase for passengers.

✕ I read a book in the bus on my commute. ✓ I read a book on the bus on my commute.

Quick practice

Choose the expression that matches the intended meaning.

1. They usually go to school ___ bus.
2. I left my umbrella ___ the bus.
3. It was crowded ___ the bus after the concert.

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Frequently asked questions

Why do we say by bus but on the bus?

By bus describes the transport method. On the bus describes being aboard the vehicle.

Is in the bus wrong?

No. It is grammatical when you focus on the inside space, although on the bus is more common for passengers.

Can I say of bus?

Only as part of a larger noun phrase, such as the driver of the bus.

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