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Prepositions with nouns

How to use prepositions with port

In port is a common expression in shipping. Of port and to port are used in more limited contexts depending on meaning.

Quick answer

Common uses of port

Use in port when a ship is docked at a harbour. Use port of plus a place name in formal shipping language, such as port of Lisbon. Use to port mainly for movement toward a port or in navigation.

The ship remained in port during the storm.
They returned to port before sunset.
The cargo arrived at the port of Singapore yesterday.

Choose the pattern by meaning

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

1
in port

Describing a docked ship

Use in port when a ship is staying at a harbour.

Several fishing boats were in port overnight.
The vessel stayed in port for repairs.
2
to port

Showing movement toward a harbour

Use to port for travel or return toward a port.

The captain ordered the ship to port immediately.
The ferry headed to port before the weather worsened.
3
port of + place

Naming a specific harbour

Use port of before the official name of a harbour or city.

The goods passed through the port of Rotterdam.
They departed from the port of Miami.
4
port to port

Describing direct shipping routes

Use port to port for transport between two harbours.

The company offers port to port delivery.
We chose a port to port shipping service.

See the difference in context

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

Construction
Example
Meaning
in port
The navy ship is in port this week.
The ship is docked or anchored at a harbour.
of port
The port of Hamburg handles heavy cargo traffic.
Of usually appears in the phrase port of plus a place name.
to port
The crew sailed back to port at dawn.
Shows movement toward a harbour.
port to port
The route provides port to port transport.
Describes shipping between harbours.

Common mistakes

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

Using of port instead of port of

The normal order is port of plus the place name.

✕ They arrived at the of port Sydney. ✓ They arrived at the port of Sydney.

Confusing in port with to port

In port shows location, while to port shows movement.

✕ The ship sailed in port. ✓ The ship sailed to port.

Using in port for airports

In port is used for ships and harbours, not airports.

✕ The plane stayed in port overnight. ✓ The plane stayed at the airport overnight.

Quick practice

Choose the expression that matches the intended meaning.

1. The cargo ship stayed ___ port for two days.
2. The crew returned ___ port before the storm.
3. The ship departed from the port ___ Antwerp.

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Frequently asked questions

What does in port mean?

It means that a ship is docked or anchored at a harbour.

Is of port a normal phrase?

Usually only in the structure port of plus a place name, such as port of Singapore.

Can to port have another meaning?

Yes. In navigation, port can also mean the left side of a ship, but to port in this page refers to movement toward a harbour.

"in act" or "of act"? "in agreement" or "of agreement"? "in appearance" or "of appearance"? "in area" or "of area"? in, at, on, of or to hand? "in attempt" or "of attempt"? "in battle" or "of battle"? "in celebration", "of celebration" or "for celebration"? "in chain" or "of chain"? "in chapter" or "of chapter"? "in charge" or "of charge"? "in check" or "of check"?

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