Prepositions after verbs

“Guess at” or “guess in”?

Guess at is a natural pattern meaning estimate or attempt an answer. Guess in is not usually used as a fixed combination after guess.

Quick answer

Correct use of “guess” with prepositions

Use guess at when estimating or trying to answer something uncertain. Guess in is not a standard verb-preposition pattern, though in may appear separately in phrases about location or context.

Can you guess at the total cost?
She tried to guess at his age.
They guessed in complete silence.

Choose the pattern by meaning

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

1
guess at + amount/answer

Estimating something uncertain

At introduces the thing being estimated.

Experts can only guess at the final numbers.
I had to guess at the password.
2
guess + clause

Expressing an opinion or assumption

Guess often appears without a preposition before a clause.

I guess she is already home.
3
guess from + evidence

Making a conclusion from clues

From introduces the source of information.

You can guess from his tone that he is upset.

See the difference in context

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

Construction
Example
Meaning
guess at
She guessed at the distance.
estimate something uncertain
guess in
Not a standard fixed pattern after guess.
in may describe place or context separately
guess from
I guessed from the map that we were close.
draw a conclusion from evidence
guess about
They guessed about the outcome.
informal discussion or speculation

Common mistakes

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

Using “in” for estimation

Use at when estimating numbers, answers, or quantities.

✕ He guessed in my age. ✓ He guessed at my age.

Adding unnecessary prepositions

Guess can often take a direct object or clause.

✕ I guessed at that she was tired. ✓ I guessed that she was tired.

Confusing location phrases with verb patterns

In may describe where something happens, not the complement of guess.

✕ They guessed in the answer. ✓ They guessed at the answer.

Quick practice

Choose the expression that matches the intended meaning.

1. Can you guess ___ the number of people there?
2. I guessed ___ his expression that something was wrong.
3. I guess ___ he will arrive late.

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Frequently asked questions

What does “guess at” mean?

It means estimate or try to answer something uncertain.

Is “guess in” correct?

Not usually as a fixed verb-preposition combination.

Can “guess” be used without a preposition?

Yes. For example: “I guess you are right.”

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