I can callus you can callus he can callus we can callus you can callus they can callus
Forma con V-ing
I can be callusing you can be callusing he can be callusing we can be callusing you can be callusing they can be callusing
Perfecto
I can have callused you can have callused he 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 he can have been callusing we can have been callusing you can have been callusing they can have been callusing
Negación
Forma simple
I can't callus you can't callus he can't callus we can't callus you can't callus they can't callus
Forma con V-ing
I can't be callusing you can't be callusing he can't be callusing we can't be callusing you can't be callusing they can't be callusing
Perfecto
I can't have callused you can't have callused he can't have callused we can't have callused you can't have callused they can't have callused
Perfecto con V-ing
I can't have been callusing you can't have been callusing he can't have been callusing we can't have been callusing you can't have been callusing they can't have been callusing
Forma interrogativa
Forma simple
can I callus? can you callus? can he callus? can we callus? can you callus? can they callus?
Forma con V-ing
can I be callusing? can you be callusing? can he be callusing? can we be callusing? can you be callusing? can they be callusing?
Perfecto
can I have callused? can you have callused? can he 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 he have been callusing? can we have been callusing? can you have been callusing? can they have been callusing?
Forma interro-negativa
Forma simple
can't I callus? can't you callus? can't he callus? can't we callus? can't you callus? can't they callus?
Forma con V-ing
can't I be callusing? can't you be callusing? can't he be callusing? can't we be callusing? can't you be callusing? can't they be callusing?
Perfecto
can't I have callused? can't you have callused? can't he have callused? can't we have callused? can't you have callused? can't they have callused?
Perfecto con V-ing
can't I have been callusing? can't you have been callusing? can't he have been callusing? can't we have been callusing? can't you have been callusing? can't they have been callusing?