I could worry you could worry she could worry we could worry you could worry they could worry
Forma con V-ing
I could be worrying you could be worrying she could be worrying we could be worrying you could be worrying they could be worrying
Perfetto
I could have worried you could have worried she could have worried we could have worried you could have worried they could have worried
Perfetto con V-ing
I could have been worrying you could have been worrying she could have been worrying we could have been worrying you could have been worrying they could have been worrying
Negazione
Forma semplice
I could not worry you could not worry she could not worry we could not worry you could not worry they could not worry
Forma con V-ing
I could not be worrying you could not be worrying she could not be worrying we could not be worrying you could not be worrying they could not be worrying
Perfetto
I could not have worried you could not have worried she could not have worried we could not have worried you could not have worried they could not have worried
Perfetto con V-ing
I could not have been worrying you could not have been worrying she could not have been worrying we could not have been worrying you could not have been worrying they could not have been worrying
Forma interrogativa
Forma semplice
could I worry? could you worry? could she worry? could we worry? could you worry? could they worry?
Forma con V-ing
could I be worrying? could you be worrying? could she be worrying? could we be worrying? could you be worrying? could they be worrying?
Perfetto
could I have worried? could you have worried? could she have worried? could we have worried? could you have worried? could they have worried?
Perfetto con V-ing
could I have been worrying? could you have been worrying? could she have been worrying? could we have been worrying? could you have been worrying? could they have been worrying?
Forma interro-negativa
Forma semplice
could I not worry? could you not worry? could she not worry? could we not worry? could you not worry? could they not worry?
Forma con V-ing
could I not be worrying? could you not be worrying? could she not be worrying? could we not be worrying? could you not be worrying? could they not be worrying?
Perfetto
could I not have worried? could you not have worried? could she not have worried? could we not have worried? could you not have worried? could they not have worried?
Perfetto con V-ing
could I not have been worrying? could you not have been worrying? could she not have been worrying? could we not have been worrying? could you not have been worrying? could they not have been worrying?