I can callus you can callus she can callus we can callus you can callus they can callus
Forma con V-ing
I can be callusing you can be callusing she can be callusing we can be callusing you can be callusing they can be callusing
Perfecto
I can have callused you can have callused she can have callused we can have callused you can have callused they can have callused
Perfecto con V-ing
I can have been callusing you can have been callusing she can have been callusing we can have been callusing you can have been callusing they can have been callusing
Negación
Forma simple
I cannot callus you cannot callus she cannot callus we cannot callus you cannot callus they cannot callus
Forma con V-ing
I cannot be callusing you cannot be callusing she cannot be callusing we cannot be callusing you cannot be callusing they cannot be callusing
Perfecto
I cannot have callused you cannot have callused she cannot have callused we cannot have callused you cannot have callused they cannot have callused
Perfecto con V-ing
I cannot have been callusing you cannot have been callusing she cannot have been callusing we cannot have been callusing you cannot have been callusing they cannot have been callusing
Forma interrogativa
Forma simple
can I callus? can you callus? can she callus? can we callus? can you callus? can they callus?
Forma con V-ing
can I be callusing? can you be callusing? can she be callusing? can we be callusing? can you be callusing? can they be callusing?
Perfecto
can I have callused? can you have callused? can she have callused? can we have callused? can you have callused? can they have callused?
Perfecto con V-ing
can I have been callusing? can you have been callusing? can she have been callusing? can we have been callusing? can you have been callusing? can they have been callusing?
Forma interro-negativa
Forma simple
can I not callus? can you not callus? can she not callus? can we not callus? can you not callus? can they not callus?
Forma con V-ing
can I not be callusing? can you not be callusing? can she not be callusing? can we not be callusing? can you not be callusing? can they not be callusing?
Perfecto
can I not have callused? can you not have callused? can she not have callused? can we not have callused? can you not have callused? can they not have callused?
Perfecto con V-ing
can I not have been callusing? can you not have been callusing? can she not have been callusing? can we not have been callusing? can you not have been callusing? can they not have been callusing?