Prepositions after verbs

erase from, in, by, out or as?

Erase is most naturally followed by from when removing something from a surface, record, or memory.

Quick answer

Which prepositions are used with erase?

Use erase from to show where something is removed from. Erase out appears in some informal speech but is usually unnecessary because erase already means remove. In, by, and as are generally not fixed combinations after erase.

She erased the number from the board
The file was erased from the system
He tried to erase the scene from his memory
Please erase the mistake from the document

Choose the pattern by meaning

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

1
erase from + surface or record

Removing something from a place

Use from to show the surface, document, system, or memory where something disappears.

They erased the graffiti from the wall
The administrator erased the account from the database
2
erase in + location

Using in as a place adjunct

In can describe where the action happens, but it is not a selected preposition after erase.

She erased several names in the report
3
erase by + method

Adding a method or means

By usually introduces the method used to erase something.

The marks disappeared by using alcohol wipes
4
erase out

Informal or redundant combination

Out is sometimes added informally, but standard English usually prefers erase alone.

Please erase the pencil marks before printing
5
erase as + description

Describing a role or interpretation

As is not a standard preposition directly after erase.

The policy was criticised as an attempt to erase history

See the difference in context

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

Construction
Example
Meaning
erase from
She erased the address from the notebook.
standard pattern for removing something
erase in
He corrected several dates in the article.
in usually refers to location within a text or area
erase by
The stain was removed by careful cleaning.
by introduces method, not a fixed combination with erase
erase out
Please erase the old version.
out is usually unnecessary after erase
erase as
The critics described the change as an attempt to erase local culture.
as belongs to a different clause pattern

Common mistakes

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

Adding unnecessary out

Erase already includes the idea of removal.

✕ Please erase out the extra line. ✓ Please erase the extra line.

Using in instead of from

Use from to show where something is removed.

✕ She erased the note in the screen. ✓ She erased the note from the screen.

Using by directly after erase

By normally introduces a method, not the object removed.

✕ He erased by the file. ✓ He erased the file.

Using as after erase

As does not normally follow erase directly.

✕ They erased as the message offensive. ✓ They erased the offensive message.

Quick practice

Choose the expression that matches the intended meaning.

1. The technician erased the data ___ the hard drive.
2. Please ___ the pencil marks before scanning the page.
3. Several names were corrected ___ the document.

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Frequently asked questions

Is erase from correct?

Yes. Erase from is the standard pattern for removing something from a surface, file, or memory.

Should I say erase out?

Usually no. In standard English, erase already means remove, so out is often redundant.

Can erase be followed by in?

Yes, but in normally introduces a location where the action happens rather than a fixed verb-preposition combination.

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