I could callus you could callus she could callus we could callus you could callus they could callus
Forme en 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
Perfect
I could have callused you could have callused she could have callused we could have callused you could have callused they could have callused
Perfect en 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
Négation
Forme simple
I could not callus you could not callus she could not callus we could not callus you could not callus they could not callus
Forme en V-ing
I could not be callusing you could not be callusing she could not be callusing we could not be callusing you could not be callusing they could not be callusing
Perfect
I could not have callused you could not have callused she could not have callused we could not have callused you could not have callused they could not have callused
Perfect en V-ing
I could not have been callusing you could not have been callusing she could not have been callusing we could not have been callusing you could not have been callusing they could not have been callusing
Forme interrogative
Forme simple
could I callus? could you callus? could she callus? could we callus? could you callus? could they callus?
Forme en 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?
Perfect
could I have callused? could you have callused? could she have callused? could we have callused? could you have callused? could they have callused?
Perfect en 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?
Forme interro-négative
Forme simple
could I not callus? could you not callus? could she not callus? could we not callus? could you not callus? could they not callus?
Forme en V-ing
could I not be callusing? could you not be callusing? could she not be callusing? could we not be callusing? could you not be callusing? could they not be callusing?
Perfect
could I not have callused? could you not have callused? could she not have callused? could we not have callused? could you not have callused? could they not have callused?
Perfect en V-ing
could I not have been callusing? could you not have been callusing? could she not have been callusing? could we not have been callusing? could you not have been callusing? could they not have been callusing?