I can calve you can calve he can calve we can calve you can calve they can calve
Forma con V-ing
I can be calving you can be calving he can be calving we can be calving you can be calving they can be calving
Perfecto
I can have calved you can have calved he can have calved we can have calved you can have calved they can have calved
Perfecto con V-ing
I can have been calving you can have been calving he can have been calving we can have been calving you can have been calving they can have been calving
Negación
Forma simple
I can't calve you can't calve he can't calve we can't calve you can't calve they can't calve
Forma con V-ing
I can't be calving you can't be calving he can't be calving we can't be calving you can't be calving they can't be calving
Perfecto
I can't have calved you can't have calved he can't have calved we can't have calved you can't have calved they can't have calved
Perfecto con V-ing
I can't have been calving you can't have been calving he can't have been calving we can't have been calving you can't have been calving they can't have been calving
Forma interrogativa
Forma simple
can I calve? can you calve? can he calve? can we calve? can you calve? can they calve?
Forma con V-ing
can I be calving? can you be calving? can he be calving? can we be calving? can you be calving? can they be calving?
Perfecto
can I have calved? can you have calved? can he have calved? can we have calved? can you have calved? can they have calved?
Perfecto con V-ing
can I have been calving? can you have been calving? can he have been calving? can we have been calving? can you have been calving? can they have been calving?
Forma interro-negativa
Forma simple
can't I calve? can't you calve? can't he calve? can't we calve? can't you calve? can't they calve?
Forma con V-ing
can't I be calving? can't you be calving? can't he be calving? can't we be calving? can't you be calving? can't they be calving?
Perfecto
can't I have calved? can't you have calved? can't he have calved? can't we have calved? can't you have calved? can't they have calved?
Perfecto con V-ing
can't I have been calving? can't you have been calving? can't he have been calving? can't we have been calving? can't you have been calving? can't they have been calving?