
(Sco)¬JB÷Ojjqr49N¬WV÷higgins-john¬GRB÷0¬AH÷8¬WM÷ROB¬AE÷Robertson N.

You will be able to speak perfect English very soon.I have been able to swim since I was five.So we use be able to when we want to use other tenses or the infinitive. In addition, "can" and "could" have no infinitive form. Be able to is possible in all tenses - but "can" is possible only in the present and "could" is possible only in the past for ability. We sometimes use be able to instead of "can" or "could" for ability. If we say "I am able to swim", it is like saying "I can swim". "Able" is an adjective meaning: having the power, skill or means to do something. We include it here for convenience, because it is often used like "can" and "could", which are modal auxiliary verbs. I would like to be able to speak Chinese.īe able to is NOT a modal auxiliary verb.

Notice too that be able to has an infinitive form: Notice that be able to is possible in all tenses, for example:

The basic structure for be able to is: subject We look at be able to here because we sometimes use it instead of can and could. It is simply the verb be plus an adjective (able) followed by the infinitive.

We often use could in a question to ask somebody to do something. Could games for past ability could for requests
