ability to + verb
Talking about what someone can do
Use ability to followed by a base verb to describe a skill or capacity.
They demonstrated the ability to adapt quickly.
Ability with different prepositions
Ability is most commonly followed by to plus a verb. Other prepositions are used in specific contexts such as skills in a field or skill with tools or people.
Quick answer
Which prepositions are used with ability?
The standard pattern is ability to + verb. Ability in is used for skill in an area, and ability with refers to handling tools, people, or materials. Ability of usually introduces the person or thing that has the skill. Ability by is uncommon as a direct pattern with ability.
She has the ability to solve complex problems.
His ability in mathematics impressed the team.
The nurse showed great ability with children.
His ability in mathematics impressed the team.
The nurse showed great ability with children.
Choose the pattern by meaning
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
ability in + field
Describing skill in an area
Use ability in with subjects, activities, or professional areas.
Her ability in design developed over time.
ability with + tool/person
Describing skill with things or people
Use ability with for handling equipment, technology, animals, or people.
He has remarkable ability with languages.
ability of + person/thing
Identifying who has the ability
Ability of is more formal and often appears in academic or technical writing.
The ability of the software to detect errors was tested.
See the difference in context
The same subject can take different constructions because each sentence answers a different question.
Construction
Example
Meaning
ability to
Her ability to lead became clear quickly.
The standard way to describe a capability or skill.
ability in
He showed ability in finance.
Skill within a subject or field.
ability with
She has ability with computers.
Skill in handling tools, systems, or people.
ability of
The ability of the device to store data is limited.
A formal structure identifying the possessor of the ability.
ability by
The project succeeded by careful planning.
By normally introduces method, not a direct complement of ability.
Common mistakes
Some combinations appear in real text but do not mean what learners often assume.
Using ability by as the main pattern
Ability is not normally followed directly by by.
✕ her ability by managing teams ✓ her ability to manage teamsForgetting the infinitive after ability to
Use a base verb after to.
✕ ability to leadership ✓ ability to leadUsing ability with abstract fields
Use in for academic or professional areas.
✕ ability with chemistry ✓ ability in chemistryConfusing ability of and ability to
Ability of is formal and usually followed by a noun phrase.
✕ the ability of solve problems ✓ the ability to solve problemsQuick practice
Choose the expression that matches the intended meaning.
1. She has the ability ___ work under pressure.
2. His ability ___ children makes him a great teacher.
3. The report praised her ability ___ engineering.
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Frequently asked questions
Is ability to the most common pattern?
Yes. Ability to + verb is the standard structure for describing what someone can do.
Can I say ability with people?
Yes. Ability with is natural for people, tools, animals, and technology.
Is ability by correct?
Not usually as a direct pattern after ability. By more often introduces method or means in the sentence.
Related preposition guides
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