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Prepositions after verbs

glean from, by, in, at or for?

Glean most naturally takes from to show the source of information. Other prepositions may appear nearby, but they usually do not form standard combinations with glean.

Quick answer

Which preposition goes with glean?

Use glean from to show where information or understanding comes from. By, in, at, and for usually add details about method, place, or purpose rather than forming fixed combinations with glean.

We gleaned from the survey that customers wanted faster service.
She gleaned from his comments that he was unhappy.
They gleaned by careful observation valuable details.
He gleaned in silence while listening to the debate.

Choose the pattern by meaning

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

1
glean from + source

Identifying the source of information

Use glean from for information collected gradually or indirectly from a source.

I gleaned from the article that the policy had changed.
They gleaned from interviews that staff were overworked.
2
glean by + method

Showing how information is obtained

By can introduce the method used to gather information.

She gleaned by observing the team that morale was low.
We gleaned by trial and error which design worked best.
3
glean in + context

Adding a situation or setting

In usually introduces a context, not a fixed verb-preposition pattern.

He gleaned in conversation that the project was delayed.
They gleaned in class that the exam would be difficult.

See the difference in context

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

Construction
Example
Meaning
glean from
She gleaned from the report that costs were rising.
collect information from a source
glean by
They gleaned by observation that the machine was unstable.
show the method of gathering information
glean in
He gleaned in discussion that opinions were divided.
In usually introduces context, not a selected preposition.
glean at
They gleaned at the data.
This combination is not standard in current English. Use glean from or look at instead.
glean for
She gleaned for answers online.
This is nonstandard for information gathering. Use search for or glean from instead.

Common mistakes

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

Using glean at

Glean does not normally combine with at.

✕ We gleaned at the evidence. ✓ We gleaned from the evidence that the plan had failed.

Using glean for to mean search

Glean means collect information gradually, not simply search.

✕ He gleaned for information on the website. ✓ He searched for information on the website.

Using glean with direct objects only

Glean often needs a source introduced by from.

✕ I gleaned the interview that she was nervous. ✓ I gleaned from the interview that she was nervous.

Quick practice

Choose the expression that matches the intended meaning.

1. She ___ the memo that the meeting was cancelled.
2. They ___ careful observation that the device overheated.
3. Which sentence is standard English?

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Frequently asked questions

What does glean mean?

Glean means collect information gradually or indirectly from different clues or sources.

Is glean from the most common pattern?

Yes. From is the standard preposition for introducing the source of information.

Can I use glean at or glean for?

These combinations are generally nonstandard when talking about information gathering.

gain, from, gain, by "gamble on" or "gamble with"? "gasp for" or "gasp in"? "gather in" or "gather at"? "gaze at" or "gaze into"? generate by, from, in, for or at? get to, into, in, out or on? giggle at, to, about, like or with? "give to", "give in" or "give by"? glance at, through, around, over or in? glare at, from, after, before or in? "glow in" or "glow with"?

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