Can/Cannot in affirmative and negative sentences. We use Can when we have the ability, time or will to do something. For example: I can play the guitar. (This means that I have the ability to play the instrument) OR I can go to the store later (I have the time to go soon) OR I can help you (I want to help you).
Can and can’t grammar rules?
Auxiliary verb can (positive) – can’t (negative) use Use can, when you ask someone to do things. Use ‘can’ to talk about possibility. Always use can with another verb. I can = I know to do something. / I know that something is possible for me.
Where do we use can and Cannot?
Here is a quick summary: Can’t is a contraction of cannot, and it’s best suited for informal writing. In formal writing and where contractions are frowned upon, use cannot. It is possible to write can not, but you generally find it only as part of some other construction, such as “not only . . . but also.”
Can be grammar rules?
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. So we use be able to when we want to use other tenses or the infinitive.
Can be examples?
Here are some more examples: Present Perfect → I have been able to play football….1. Affirmative sentences.
| Tense | Modal | Form |
|---|---|---|
| Simple Past | I could play football. | I was allowed to play football. |
| will-future | not possible | I will be able to play football. |
| I will be allowed to play football. |
Can not be or Cannot be?
Both cannot and can not are acceptable spellings, but the first is much more usual. You would use can not when the “not” forms part of another construction such as “not only.” For example: These green industries can not only create more jobs, but also promote sustainable development of the land.
Can and could sentences?
‘can’ and ‘could’