I could callus you could callus she could callus we could callus you could callus they could callus
Forma com V-ing
I could be callusing you could be callusing she could be callusing we could be callusing you could be callusing they could be callusing
Perfeito
I could have callused you could have callused she could have callused we could have callused you could have callused they could have callused
Perfeito com V-ing
I could have been callusing you could have been callusing she could have been callusing we could have been callusing you could have been callusing they could have been callusing
Negação
Forma simple
I couldn't callus you couldn't callus she couldn't callus we couldn't callus you couldn't callus they couldn't callus
Forma com V-ing
I couldn't be callusing you couldn't be callusing she couldn't be callusing we couldn't be callusing you couldn't be callusing they couldn't be callusing
Perfeito
I couldn't have callused you couldn't have callused she couldn't have callused we couldn't have callused you couldn't have callused they couldn't have callused
Perfeito com V-ing
I couldn't have been callusing you couldn't have been callusing she couldn't have been callusing we couldn't have been callusing you couldn't have been callusing they couldn't have been callusing
Forma interrogativa
Forma simple
could I callus? could you callus? could she callus? could we callus? could you callus? could they callus?
Forma com V-ing
could I be callusing? could you be callusing? could she be callusing? could we be callusing? could you be callusing? could they be callusing?
Perfeito
could I have callused? could you have callused? could she have callused? could we have callused? could you have callused? could they have callused?
Perfeito com V-ing
could I have been callusing? could you have been callusing? could she have been callusing? could we have been callusing? could you have been callusing? could they have been callusing?
Forma interro-Negação
Forma simple
couldn't I callus? couldn't you callus? couldn't she callus? couldn't we callus? couldn't you callus? couldn't they callus?
Forma com V-ing
couldn't I be callusing? couldn't you be callusing? couldn't she be callusing? couldn't we be callusing? couldn't you be callusing? couldn't they be callusing?
Perfeito
couldn't I have callused? couldn't you have callused? couldn't she have callused? couldn't we have callused? couldn't you have callused? couldn't they have callused?
Perfeito com V-ing
couldn't I have been callusing? couldn't you have been callusing? couldn't she have been callusing? couldn't we have been callusing? couldn't you have been callusing? couldn't they have been callusing?