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Prepositions after verbs

Analyse by or analyse in?

Analyse is usually followed by a direct object. By and in can appear after analyse, but they normally introduce method or field rather than forming fixed verb-preposition combinations.

Quick answer

How do you use analyse with prepositions?

Use analyse something as the main pattern. Analyse by is used when describing a method or measurement system. Analyse in can refer to language, format, or academic field. Neither by nor in is required after the verb in most sentences.

Scientists analysed the data carefully.
The samples were analysed by computer software.
The poem was analysed in detail.

Choose the pattern by meaning

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

1
analyse + object

Examining something carefully

Use analyse directly with the thing being examined.

Researchers analysed the results overnight.
She analysed the report before the meeting.
2
analyse by + method

Showing the method or system used

By introduces the method, category, or measurement used in the analysis.

The data was analysed by age group.
Experts analysed the samples by chemical composition.
3
analyse in + field/language/detail

Showing context, format, or level of detail

In can introduce the language, subject area, or style of analysis.

The case was analysed in detail.
The novel is often analysed in literature classes.
4
analyse + object + using + tool

Naming the tool or technique

Using introduces the instrument or software used for analysis.

The team analysed the images using AI software.
Scientists analysed the samples using a new device.

See the difference in context

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

Construction
Example
Meaning
analyse by
The figures were analysed by region.
Standard when by introduces a classification method or criterion.
analyse in
The issue was analysed in detail.
Standard when in introduces detail, language, field, or context.
analyse something
We analysed the survey responses.
The most direct and common structure.
analyse with
They analysed the samples with specialised equipment.
With introduces a tool or instrument.

Common mistakes

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

Adding an unnecessary preposition

Analyse often takes a direct object without a preposition.

✕ She analysed about the problem. ✓ She analysed the problem.

Using by for the tool instead of the method

By usually introduces a method or category. Use with or using for instruments.

✕ The samples were analysed by a microscope. ✓ The samples were analysed with a microscope.

Confusing in with location

In after analyse often means detail, language, or context, not physical place.

✕ They analysed in the numbers. ✓ They analysed the numbers.

Using analyse in as a fixed pattern everywhere

In is only needed for specific meanings such as in detail or in class.

✕ We analysed in the report. ✓ We analysed the report.

Quick practice

Choose the expression that matches the intended meaning.

1. The researchers analysed the data ___ age group.
2. The report was analysed ___ detail.
3. She analysed the images ___ new software.

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Frequently asked questions

Do I need a preposition after analyse?

Usually no. Analyse commonly takes a direct object, such as analyse the data.

When is analyse by correct?

Use it to describe a method, category, or measurement system, such as analysed by age group.

Can analyse in describe a place?

Sometimes, but in is more commonly used for context or detail, as in analysed in detail or analysed in class.

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