Prepositions after verbs

Using “curse on” and “curse by”

Curse someone or curse something are the most common patterns. Curse on appears mainly in noun phrases such as a curse on the house. By usually introduces the authority or words used when swearing.

Quick answer

Curse on vs. curse by

As a verb, curse usually takes a direct object: curse the enemy. In expressions like a curse on this place, on belongs to the noun curse, not the verb. By can appear after curse when it means ‘swear by’ or when naming the authority invoked.

The villagers cursed the invaders.
The old man shouted, “A curse on this house!”
He cursed by the ancient gods in the legend.

Choose the pattern by meaning

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

1
curse + person or thing

Speak angrily about someone or something

Curse commonly takes a direct object with no preposition.

She cursed the bad weather all morning.
They cursed their luck after the defeat.
2
a curse on + target

Use curse as a noun in expressions

On is common after the noun curse in dramatic or literary expressions.

A curse on these delays!
The story begins with a curse on the royal family.
3
curse by + authority

Name the power or authority invoked

By can introduce the authority or force connected with a curse, especially in literary style.

The hero was cursed by a witch.
According to the tale, they were cursed by the gods.
4
curse at + person

Direct angry language toward someone

At can describe the target of shouted insults or angry words.

He cursed at the driver from his window.
The crowd cursed at the referee after the match.

See the difference in context

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

Construction
Example
Meaning
curse someone or something
She cursed the broken machine.
Standard verb pattern with a direct object.
a curse on + target
A curse on anyone who steals from the poor.
Fixed expression using curse as a noun.
curse by + authority
The king was cursed by a powerful sorcerer.
By introduces the source of the curse.
curse at + person
He cursed at the waiter after the mistake.
At introduces the person receiving angry words.

Common mistakes

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

Using on directly after the verb curse

After the verb, English usually uses a direct object instead of on.

✕ She cursed on her neighbour. ✓ She cursed her neighbour.

Confusing noun and verb patterns

A curse on is a noun expression, not the usual verb structure.

✕ They cursed on the town. ✓ They placed a curse on the town.

Using by without a clear source

By should identify who or what caused the curse.

✕ He was cursed by. ✓ He was cursed by an old priest.

Using curse at for magical meaning

Curse at usually means shout angrily, not place a magical curse.

✕ The witch cursed at the prince. ✓ The witch cursed the prince.

Quick practice

Choose the expression that matches the intended meaning.

1. The witch ___ the prince in the story.
2. ___ anyone who breaks this promise!
3. The sailors believed they were cursed ___ the sea god.

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Frequently asked questions

Is curse on correct?

Yes, mainly in noun expressions such as a curse on this house.

Can I say curse by?

Yes, when by introduces who caused the curse: cursed by a witch.

What is the most common pattern with curse?

The verb most often takes a direct object, as in curse your enemies or curse bad luck.

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