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Prepositions after adjectives

Persistent with different prepositions

Persistent is most commonly followed by in or about. Other prepositions may appear in specific meanings or sentence structures.

Quick answer

Common uses of persistent

Persistent in describes continued effort or behaviour. Persistent about refers to repeatedly raising a topic. Persistent with is used for continuing an action or treatment. Persistent on is uncommon after the adjective itself.

She was persistent in her studies.
He became persistent about the budget issue.
The doctor remained persistent with the treatment plan.

Choose the pattern by meaning

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

1
persistent in + activity or behaviour

Showing continued effort

Use persistent in before actions, habits, or behaviour.

They were persistent in seeking answers.
She is persistent in her training.
2
persistent about + topic

Repeatedly discussing or demanding something

Use persistent about for subjects that someone continues to mention or pursue.

He was persistent about the missing documents.
The customer remained persistent about a refund.
3
persistent with + action or object

Continuing despite difficulty

Use persistent with for ongoing work, methods, or treatment.

She stayed persistent with the exercise programme.
The team was persistent with its strategy.
4
persistent for + period

Describing duration

Persistent for usually refers to how long a condition continues.

The cough remained persistent for several weeks.
The smell was persistent for days.

See the difference in context

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

Construction
Example
Meaning
persistent in
He was persistent in asking questions.
Standard for effort or repeated behaviour.
persistent about
She is persistent about workplace safety.
Used for topics or concerns repeatedly raised.
persistent with
The coach was persistent with the training routine.
Used for continuing an activity or approach.
persistent on
He was persistent on the issue.
Less natural after the adjective; about is usually preferred.
persistent for
The pain was persistent for months.
Used with periods of time or duration.

Common mistakes

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

Using on instead of about

About is usually the natural preposition for topics or issues.

✕ She was persistent on the complaint. ✓ She was persistent about the complaint.

Confusing in and with

In refers to behaviour or effort; with refers to an activity, method, or object.

✕ He was persistent with improving his skills. ✓ He was persistent in improving his skills.

Using for with actions

For usually refers to duration, not effort.

✕ They were persistent for finding evidence. ✓ They were persistent in finding evidence.

Quick practice

Choose the expression that matches the intended meaning.

1. She was persistent ___ learning the language.
2. The journalist remained persistent ___ the corruption case.
3. The symptoms were persistent ___ several months.

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Frequently asked questions

Is persistent on incorrect?

It is less natural after the adjective. About is usually preferred for topics or issues.

What is the difference between persistent in and persistent with?

Persistent in focuses on behaviour or effort. Persistent with focuses on continuing an action, method, or object.

Can persistent describe medical conditions?

Yes. It often describes symptoms or problems that continue over time.

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