I can calve you can calve he can calve we can calve you can calve they can calve
Forme en 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
Perfect
I can have calved you can have calved he can have calved we can have calved you can have calved they can have calved
Perfect en 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
Négation
Forme 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
Forme en 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
Perfect
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
Perfect en 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
Forme interrogative
Forme simple
can I calve? can you calve? can he calve? can we calve? can you calve? can they calve?
Forme en 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?
Perfect
can I have calved? can you have calved? can he have calved? can we have calved? can you have calved? can they have calved?
Perfect en 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?
Forme interro-négative
Forme 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?
Forme en 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?
Perfect
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?
Perfect en 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?