noun
1
BAD : These machines are destroying our ability of thinking.
GOOD : These machines are destroying our ability to think.
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ability to do sth (NOT of doing): 'Nobody doubts his ability to get the job done quickly.' 'We need someone with the ability to work under intense pressure.'
2
BAD : I want to improve my ability of reading.
GOOD : I want to improve my reading ability.
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reading/writing/teaching/acting ability: 'Her acting ability was recognized at a very early age.'
3
BAD : I want to improve my ability of English.
GOOD : I want to improve my ability in English.
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ability in a language or subject: 'Sarah has demonstrated considerable ability in both maths and chemistry.'