Talking about capability
Use able to before a verb to describe someone who has the ability or opportunity to do something.
Able is usually followed by to. Able for and able in are limited and context-dependent expressions.
The most common pattern is able to + verb. Able for is sometimes used to mean suitable or fit for a task. Able in can describe skill within an area, but it is much less common than able at or skilled in.
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
Use able to before a verb to describe someone who has the ability or opportunity to do something.
Able for can mean physically or mentally fit for a duty or activity. This use is formal and limited.
Able in is occasionally used to describe skill in a field, although able at or skilled in is more natural in modern English.
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.
Use able to before a verb, not able in.
✕ She is able in solve it. ✓ She is able to solve it.Able for is followed by a noun phrase, not an infinitive.
✕ He is able for complete the race. ✓ He is able to complete the race.Able in is possible but often sounds old-fashioned or unnatural.
✕ She is able in music. ✓ She is skilled in music.Choose the expression that matches the intended meaning.
Paste the complete sentence below. Linguix checks the preposition together with grammar, spelling, punctuation, and style.
It is fairly limited and often appears in formal or regional usage about fitness for work or duty.
Yes, but able at mathematics or skilled in mathematics is more natural in current English.
Able to + verb is the standard and most frequent structure.
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