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Prepositions after adjectives

full-time in or full-time for?

Both full-time in and full-time for are possible, but they express different relationships.

Quick answer

How do you use full-time with prepositions?

Use full-time in before a field, industry, or activity. Use full-time for before an employer, purpose, or period.

She works full-time in finance.
He played full-time for the club.
They are employed full-time in education.

Choose the pattern by meaning

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

1
full-time in + field

Working in an area or sector

Use in to refer to an industry, discipline, or activity.

She is employed full-time in marketing.
2
full-time for + employer

Working for an organisation

Use for before a company, team, or employer.

He works full-time for a software company.
3
full-time as + role

Naming a job or role

Use as before a profession or position.

She works full-time as a designer.
4
full-time on + project

Focusing on a task

Use on for projects or activities receiving full attention.

The team is working full-time on the redesign.

See the difference in context

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

Construction
Example
Meaning
full-time in
She works full-time in healthcare.
Refers to a field or sector.
full-time for
He plays full-time for Madrid.
Refers to an employer or organisation.
full-time as
She works full-time as a teacher.
Names a role or profession.
full-time on
They are working full-time on the campaign.
Refers to a project or task.

Common mistakes

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

Using in for an employer

Use for before a company or organisation.

✕ She works full-time in Google. ✓ She works full-time for Google.

Using for with a field

Use in before industries or subjects.

✕ He works full-time for engineering. ✓ He works full-time in engineering.

Quick practice

Choose the expression that matches the intended meaning.

1. She works full-time ___ banking.
2. He plays full-time ___ the national team.
3. They are working full-time ___ the new app.

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Frequently asked questions

Can full-time be an adverb?

Yes. It often modifies verbs such as work or study.

Do I use in or for with companies?

Use for with companies and employers.

Can I say full-time in school?

Yes, if you mean studying as a full-time activity in an educational setting.

face-to-face-with-in-at-for, to "fair to" or "fair in"? faithful to, in, of, with or for? falling of, in, out, into or off? "false in" or "false to"? famed for, as, in or throughout? familiar with, to, from or in? famous for, in, of, by or as? fanatical about, in, as, for or of? "fantastic for" or "fantastic in"? far from, in, to, for or with? fascinating to, about, in, for or as?

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