Za izražanje sposobnosti/zmožnosti uporabljaš 'can' in 'be able to'. V sedanjiku navadno rabiš 'can'.

Zgledi:

Sue can dance very well but she can't sing at all.

My baby brother is able to (can) say a few words.

Drugi časi:

Preteklik -    I was so ill that I couldn't/wasn't able to stand up!

Prihodnjik -  Will you be able to find my house?