I could butter you could butter he could butter we could butter you could butter they could butter
Forma con V-ing
I could be buttering you could be buttering he could be buttering we could be buttering you could be buttering they could be buttering
Perfetto
I could have buttered you could have buttered he could have buttered we could have buttered you could have buttered they could have buttered
Perfetto con V-ing
I could have been buttering you could have been buttering he could have been buttering we could have been buttering you could have been buttering they could have been buttering
Negazione
Forma semplice
I couldn't butter you couldn't butter he couldn't butter we couldn't butter you couldn't butter they couldn't butter
Forma con V-ing
I couldn't be buttering you couldn't be buttering he couldn't be buttering we couldn't be buttering you couldn't be buttering they couldn't be buttering
Perfetto
I couldn't have buttered you couldn't have buttered he couldn't have buttered we couldn't have buttered you couldn't have buttered they couldn't have buttered
Perfetto con V-ing
I couldn't have been buttering you couldn't have been buttering he couldn't have been buttering we couldn't have been buttering you couldn't have been buttering they couldn't have been buttering
Forma interrogativa
Forma semplice
could I butter? could you butter? could he butter? could we butter? could you butter? could they butter?
Forma con V-ing
could I be buttering? could you be buttering? could he be buttering? could we be buttering? could you be buttering? could they be buttering?
Perfetto
could I have buttered? could you have buttered? could he have buttered? could we have buttered? could you have buttered? could they have buttered?
Perfetto con V-ing
could I have been buttering? could you have been buttering? could he have been buttering? could we have been buttering? could you have been buttering? could they have been buttering?
Forma interro-negativa
Forma semplice
couldn't I butter? couldn't you butter? couldn't he butter? couldn't we butter? couldn't you butter? couldn't they butter?
Forma con V-ing
couldn't I be buttering? couldn't you be buttering? couldn't he be buttering? couldn't we be buttering? couldn't you be buttering? couldn't they be buttering?
Perfetto
couldn't I have buttered? couldn't you have buttered? couldn't he have buttered? couldn't we have buttered? couldn't you have buttered? couldn't they have buttered?
Perfetto con V-ing
couldn't I have been buttering? couldn't you have been buttering? couldn't he have been buttering? couldn't we have been buttering? couldn't you have been buttering? couldn't they have been buttering?