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Can be used in all tenses
- Be able to is a phrase that also expresses ability, but it can be used in all tenses. It is often used when the focus is on the effort or skill needed to accomplish something. Be able to can also be used to express the idea of possibility, but it is more formal than "can."
www.engram.us/vs/531/can-vs-be-able-to
其他人也問了
Is be able to possible in all tenses?
What tenses do you use to be able to?
What is the difference between be able to and can?
What is the difference between be able to and be allowed to?
What is the difference between can and could?
What does able mean in a sentence?
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. In addition, "can" and "could" have no infinitive form. So we use be able to when we want to use other tenses or the infinitive.
Be Able To: Ability in All Tenses. While can and could are limited in their tense forms, be able to can be used in all tenses (past, present, and future), making it more versatile for describing ability. Present Ability: I am able to play the piano. This is equivalent to saying “I can play the piano” but can be used in more formal contexts.
Be able to Be able to is often similar to can and we may use it instead of can to talk about ability. But be able to is more formal and is not as common. They are able to do the job faster than anyone else. But can only has present and past forms: can–could.
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. In addition, "can" and "could" have no infinitive form. So we use be able to when we want to use other tenses or the infinitive.
2021年6月9日 · “Be Able To” Is More Specific. The most fundamental difference between “be able to” and “can” is that “be able to” is more specific. “Can” serves many different functions. Ability: “I can speak English.” Possibility: “It can get hot in this room.” Permission: “You can leave now.” Request: “ Can you come here please?”
We often use to be able to or to be allowed to instead of can. We can only form the Past of can (could) . To put can into other tenses we need the phrases to be able to or to be allowed to .
2021年7月20日 · We sometimes use be able to instead of "can" or "could" for ability. 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. In addition, "can" and "could" have no infinitive form.
