Able

Can, could, be able to
be able to for ability We sometimes use be able to instead of "can" or "could" for ability. Be able to is possible in all tenses - but "can" is possib...
Can, could, be able to test
Can be able or could be able?Can we use could be able to?When to use can or able to?Is could used for ability? Can be able or could be able?Be able ...