Prepositions after adjectives

Regular with different prepositions

Regular can take different prepositions depending on the meaning. Regular in describes consistency in habits or actions. Regular on is uncommon as a direct complement and often introduces a schedule or topic. Regular at describes skill or attendance at a place or activity.

Quick answer

Which preposition is correct after regular?

Use regular in for consistent behaviour or habits. Use regular at for places, activities, or skills. Regular on is usually part of a larger phrase about days, schedules, or topics rather than a fixed adjective pattern.

She is regular in her exercise routine.
He's a regular at the local café.
The show is regular on Fridays.

Choose the pattern by meaning

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

1
regular in + activity

Consistent behaviour or habits

Use regular in to describe steady participation or consistent behaviour.

He is regular in attending meetings.
They are regular in their study habits.
2
regular at + place/activity

Frequent presence or skill

Use regular at for someone who often goes somewhere or performs well in an activity.

She is a regular at the gym.
He's not very regular at replying to emails.
3
regular on + day/platform

Scheduled or appearing on something

On usually introduces time, media, or surfaces rather than functioning as a fixed complement after regular.

The programme is regular on weekday evenings.
Her column appears regular on the website.

See the difference in context

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

Construction
Example
Meaning
regular in
She is regular in her attendance.
Standard for consistency in behaviour.
regular on
The service runs regular on weekends.
Informal or regional in some contexts; more standard forms are regularly on weekends or regular at weekends.
regular at
He's a regular at the chess club.
Standard for frequent presence at a place or activity.
regular with
She is regular with her payments.
Useful alternative for consistency regarding duties or habits.

Common mistakes

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

Using regular on as a fixed adjective pattern

On often introduces time expressions rather than completing the adjective regular.

✕ She is regular on exercise. ✓ She is regular in her exercise routine.

Forgetting the noun after regular at

Regular at often needs a place, activity, or task.

✕ He is regular at. ✓ He is regular at the library.

Confusing regular and regularly

Regular is an adjective, while regularly is an adverb.

✕ The buses arrive regular on Mondays. ✓ The buses arrive regularly on Mondays.

Quick practice

Choose the expression that matches the intended meaning.

1. She is very ___ submitting reports on time.
2. He's a ___ the coffee shop near campus.
3. The newsletter appears regularly ___ Fridays.

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Frequently asked questions

Can I say a regular at a restaurant?

Yes. A regular at a place is someone who visits often.

Is regular on standard English?

It is less common as a direct adjective pattern. Often on introduces a time or platform expression instead.

What is the difference between regular and regularly?

Regular is an adjective describing a noun. Regularly is an adverb describing an action.

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