Sign In Get Started
Prepositions before nouns

'By boat' vs. 'of boat'

By boat is the standard way to describe travel by this form of transport. Of boat usually appears inside longer noun phrases.

Quick answer

Correct transport phrase

Use by boat to describe travel or transport. Of boat is uncommon alone but appears in phrases such as the side of the boat.

We travelled by boat to the island.
They arrived by boat after sunset.
the side of the boat

Choose the pattern by meaning

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

1
by boat

Describing means of transport

Use by plus transport noun without an article.

Fresh supplies come by boat.
2
on a boat

Talking about location

Use on when someone is physically aboard.

We slept on a boat for two nights.
3
of the boat

Showing relation or possession

Of links another noun to boat.

the captain of the boat

See the difference in context

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

Construction
Example
Meaning
by boat
They crossed the river by boat.
using a boat as transport
of boat
the engine of the boat
part of a larger possessive phrase
on boat
He stayed on the boat.
physical location on the vessel
boat by
a village boat by the shore
by is a separate place adjunct here

Common mistakes

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

Adding an article after by

Transport expressions usually omit articles.

✕ We travelled by a boat. ✓ We travelled by boat.

Using of boat alone

Of boat usually needs another noun before it.

✕ They arrived of boat. ✓ They arrived by boat.

Quick practice

Choose the expression that matches the intended meaning.

1. We went to the island ___ boat.
2. Choose the sentence about location.
3. Which phrase is possessive?

Check your sentence in context

Paste the complete sentence below. Linguix checks the preposition together with grammar, spelling, punctuation, and style.

Free to try · No signup required

Frequently asked questions

Why do we say 'by boat' without 'a'?

Transport expressions after by normally omit articles.

Can I say 'travel on a boat'?

Yes, but it focuses on being aboard rather than the means of transport.

Is 'of boat' natural English?

Only as part of a longer phrase such as 'roof of the boat'.

"behind bar" or "of bar"? "beyond description" or "of description"? by, accident, of, accident "by chance" or "of chance"? "by default", "in default" or "of default"? "by extension", "of extension" or "for extension"? "by lot" or "with lot"? by, of, for, in or agreed-upon definition? by, of, in, into or to category? by, of, in, via or on telephone? by, of, on, for or in bus? by, of, to, with or from professor?

Write with confidence in Linguix

Create a free account to check complete texts, apply suggestions, and save your documents.

Create a free account