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