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 couldn't worry you couldn't worry she couldn't worry we couldn't worry you couldn't worry they couldn't worry
Forma con V-ing
I couldn't be worrying you couldn't be worrying she couldn't be worrying we couldn't be worrying you couldn't be worrying they couldn't be worrying
Perfetto
I couldn't have worried you couldn't have worried she couldn't have worried we couldn't have worried you couldn't have worried they couldn't have worried
Perfetto con V-ing
I couldn't have been worrying you couldn't have been worrying she couldn't have been worrying we couldn't have been worrying you couldn't have been worrying they couldn't 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
couldn't I worry? couldn't you worry? couldn't she worry? couldn't we worry? couldn't you worry? couldn't they worry?
Forma con V-ing
couldn't I be worrying? couldn't you be worrying? couldn't she be worrying? couldn't we be worrying? couldn't you be worrying? couldn't they be worrying?
Perfetto
couldn't I have worried? couldn't you have worried? couldn't she have worried? couldn't we have worried? couldn't you have worried? couldn't they have worried?
Perfetto con V-ing
couldn't I have been worrying? couldn't you have been worrying? couldn't she have been worrying? couldn't we have been worrying? couldn't you have been worrying? couldn't they have been worrying?