Modo De Produccion Comunista

To Be able to –be capes, powder
To be able to - ser capaz de, poder
La expresión "to be able to" posee un significado similar a la de los modales "can" y "could", sin embargo no es un auxiliarmodal dado que puede conjugarse en todos los tiempos verbales.

To be able to + infinitive: (capacidad, aptitud) saber, poder, ser capaz de
Can + base form: (capacidad, aptitud) poder, saber, a vecesno se traduce

El uso de "be able to" en el Presente Simple (am/is/are able to) es poco frecuente aunque posible. Para este tiempo verbal, el empleo de "can" es más común.
*-------------------------------------------------
Helen can speak five languages fluently.
Helen puede hablar cinco idiomas con fluidez.
* -------------------------------------------------
Helen is able to speakfive languages fluently. (poco común)
Helen puede hablar cinco idiomas con fluidez.
* -------------------------------------------------
Can you hear me well?
¿Me puedes oír bien?
*-------------------------------------------------
Are you able to hear me well? (poco común)
¿Me puedes oír bien?
Be able to
Although we look at be able to here, it is not a modal verb. It is simply theverb be plus an adjective (able) followed by the infinitive. We look at be able to here because we sometimes use it instead of can and could.
We use be able to:
* to talk about ability
Structure ofBe able to
The structure of be able to is:
subject + be + able + infinitive
| subject | be
main verb | able
adjective | infinitive |
+ | I | am | able | to drive. |
- | She | is not | able| to drive. |
| | isn't | | |
? | Are | you | able | to drive? |
Notice that be able to is possible in all tenses, for example:
* I was able to drive...
* I will be able to drive...* I have been able to drive...
Notice too that be able to has an infinitive form:
* I would like to be able to speak Chinese.
Use of Be able to
Be able to is not a modal auxiliary verb....