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Prepositions after comment

comment on or comment from?

Comment is usually followed by on when introducing the topic being discussed.

Quick answer

Should I use comment on or comment from?

Use comment on to talk about a subject or issue: comment on the proposal. Comment from is not a standard verb-preposition combination. From may introduce the source of a comment, especially with the noun comment.

She refused to comment on the rumours.
We received a comment from a customer.
The minister declined to comment on the report.

Choose the pattern by meaning

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

1
comment on + topic

Expressing an opinion about something

Comment on introduces the topic being discussed.

Experts commented on the new policy.
2
comment that + clause

Reporting a remark

Comment can be followed by a that-clause.

She commented that the schedule was unrealistic.
3
comment about + topic

Making a remark about something

Comment about is also possible, especially in informal English.

He commented about the delays.
4
comment from + source

Identifying who made the remark

From usually identifies the source of a comment, especially with the noun comment.

We heard a comment from the audience.

See the difference in context

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

Construction
Example
Meaning
comment on
The editor commented on the article.
Standard pattern for discussing a topic.
comment from
There was no comment from the company.
From identifies the source of a comment, usually with the noun comment.
comment about
She commented about the traffic problems.
Informal alternative to comment on.
comment upon
The report commented upon several risks.
Formal variant of comment on.

Common mistakes

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

Using comment from after the verb

Comment from is not normally used as a verb-preposition pattern.

✕ She commented from the proposal. ✓ She commented on the proposal.

Forgetting the topic after comment on

On should be followed by the subject being discussed.

✕ He commented on. ✓ He commented on the results.

Using comment to for a topic

Comment to usually introduces a listener, not a subject.

✕ She commented to the issue. ✓ She commented on the issue.

Confusing comment with command or commend

Comment means express an opinion.

✕ The manager commended on the plan. ✓ The manager commented on the plan.

Quick practice

Choose the expression that matches the intended meaning.

1. The scientist refused to comment ___ the findings.
2. We received a comment ___ a local resident.
3. She commented ___ the long waiting times.

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Frequently asked questions

Is comment on correct?

Yes. It is the standard way to introduce the topic of a remark or opinion.

Can I say comment from?

Usually with the noun comment, as in a comment from a customer. It is not normally used directly after the verb comment.

What is the difference between comment on and comment about?

Both can introduce a topic, but comment on is more standard and common in formal English.

calculate, by, calculate, in, calculate, from "call for" or "call on"? "campaign for" or "campaign against"? cancel by, due, at, in or for? capitulate to, in, like, by or after? captivate by, for, with, from or in? "capture by" or "capture in"? "care about" or "care for"? carry with, by, in, to or into? carve into, out, in, on or with? cast in, into, for, by or on? "catch in", "catch by" or "catch on"?

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