Regole grammaticali per imparare l'inglese

Past simple di " CAN " é " COULD "

- COULD si usa per esprimere qualcosa che eravamo capaci di fare nel passato.

FORMA AFFERMATIVA
I could + forma base del verbo
You could + " "
He/she/it could + " "
We could + " "
You could + " "
They could + " "

FORMA NEGATIVA
I could not ( couldn't )
You couldn't
He/she/ it couldn't
We couldn't
You couldn't
They couldn't

FORMA INTERROGATIVA
Could I ?
Could you ?
Could he/she/it ?
Could we ?
Could you ?
Could they ?

ESEMPI
- Quando ero piccolo sapevo nuotare
When I was child I could swim
- Mio fratello non sapeva parlare inglese
My brother couldn't speak English
- Loro sapevano giocare a pallone?
Could they play football?
Yes, they could
No, they couldn't