The noun "instrument" is most often followed by of or for. Other prepositions may appear in specific contexts, but some combinations are uncommon or depend on the wider sentence.
Instrument of is used for a tool, method, or means of doing something. Instrument for describes purpose or function. Instrument to is uncommon after the noun itself, but to may introduce an infinitive after instrument. With and about usually belong to the wider sentence, not directly to the noun.
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
Use of to describe a means, tool, or agent for achieving something.
Use for when naming the activity or task the instrument is designed for.
To can follow instrument when an infinitive clause explains purpose.
With usually functions as an adjunct in the sentence rather than a fixed combination with the noun instrument.
The same subject can take different constructions because each sentence answers a different question.
Some combinations appear in real text but do not mean what learners often assume.
After instrument, for is usually better before a noun naming an activity.
✕ an instrument to measurement ✓ an instrument for measurementOf expresses role or effect; for expresses intended use.
✕ an instrument of testing ✓ an instrument for testingWith often describes manner or accompaniment in the whole sentence.
✕ the instrument with surgery ✓ an instrument for surgeryChoose the expression that matches the intended meaning.
Paste the complete sentence below. Linguix checks the preposition together with grammar, spelling, punctuation, and style.
Yes. It is common when describing a means, method, or agent of action.
Yes. This is a standard way to describe the purpose of a device or tool.
Only when about introduces a topic, such as "a book about instruments." It is not a fixed combination with the noun.
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