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Preposition after verb

Earn from, by, or in?

Use earn from for the source of income, earn by for the method, and earn in for a field, industry, or place.

Quick answer

How do you use earn with prepositions?

Use earn from to show where money comes from: earn from investments. Use earn by to explain the method: earn by teaching online. Use earn in for a profession, market, or location: earn well in finance.

She earns from freelance projects.
They earn by selling handmade goods.
He earns well in the technology sector.

Choose the pattern by meaning

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

1
earn from + source

Naming the source of income

Use from before the activity, investment, or business that produces money.

The company earns from advertising.
She earned from property rentals.
2
earn by + method

Explaining how money is earned

Use by before an -ing form to describe the method used to make money.

He earns by tutoring students online.
They earned by repairing bicycles.
3
earn in + field or place

Talking about income within an area

Use in before industries, professions, competitions, or places.

Top lawyers can earn in the millions.
She hopes to earn more in marketing.

See the difference in context

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

Construction
Example
Meaning
earn from something
He earns from digital subscriptions.
Shows the source of income.
earn by doing something
She earns by writing technical reports.
Shows the method used to earn money.
earn in a field or place
Workers in finance often earn more.
Refers to earnings within a sector, profession, or location.
earn in
The athlete earned millions in endorsements.
Natural with fields, contexts, or areas where money is made.

Common mistakes

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

Using by with a noun source

Use from for the income source itself.

✕ She earns by investments. ✓ She earns from investments.

Using from before an action method

Use by plus an -ing form for methods.

✕ He earns from teaching evening classes. ✓ He earns by teaching evening classes.

Confusing in with from

In refers to a field or context, not the direct source of payment.

✕ She earns in her clients. ✓ She earns from her clients.

Quick practice

Choose the expression that matches the intended meaning.

1. They earn money ___ selling second-hand books.
2. The musician earns most of her income ___ streaming platforms.
3. You can earn well ___ software engineering.

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Frequently asked questions

Can earn from and earn by both be correct?

Yes, but they express different ideas. Earn from names the source, while earn by explains the method.

Is earn in common with salaries?

Yes. It is often used with professions, industries, or ranges such as earn in the six figures.

Can I say earn through instead of earn by?

Yes. Earn through is also used to describe methods or means of earning.

earmark-for-by-as-about, at "ease into", "ease by" or "ease in"? "eat at", "eat with" or "eat in"? "echo in" or "echo by"? edit by, for, in, to or from? "educate in" or "educate at"? eject from, at, in, into or by? elaborate on, in, upon, by or about? "elect to" or "elect by"? elevate to, in, above, by or as? "eliminate from", "eliminate in" or "eliminate by"? embark on, upon, at, for or in?

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