I can calve you can calve he can calve we can calve you can calve they can calve
Forma com 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
Perfeito
I can have calved you can have calved he can have calved we can have calved you can have calved they can have calved
Perfeito com 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
Negação
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 com 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
Perfeito
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
Perfeito com 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 com 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?
Perfeito
can I have calved? can you have calved? can he have calved? can we have calved? can you have calved? can they have calved?
Perfeito com 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-Negação
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 com 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?
Perfeito
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?
Perfeito com 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?