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be able to

From Wiktionary, the free dictionary

English

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Pronunciation

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  • Audio (UK):(file)

Verb

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be able to (third-person singular simple present is able to, present participle being able to, simple past was able to, past participle been able to)

  1. Can, to have the ability to.
    Synonym: can
    Antonyms: be unable to, cannot, can't

Usage notes

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  • See be for the full inflection of be.
  • To be able to may be used whenever can (the modal verb) is used; it is always used in tenses where can, which is defective, has no corresponding form. For example, "He said I would be able to go" is the same as "He said I could go", and "You will be able to watch" replaces the non-existent *You will can watch.
  • To be able to can be used instead of could to avoid ambiguity between would be able to and was/were able to. For example, "I know I could win" can mean either "I know I was able to win" or "I know I would be able to win", whereas the forms using to be able to avoid this ambiguity.

Hyponyms

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Derived terms

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Translations

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See also

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