can calve
Verbo regular: calve - calved- calved

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can calve
you can calve
he can calve
we can calve
you can calve
they can calve 	I can be calving
you can be calving
he can be calving
we can be calving
you can be calving
they can be calving	I can have calved
you can have calved
he can have calved
we can have calved
you can have calved
they can have calved	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 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot calve
you cannot calve
he cannot calve
we cannot calve
you cannot calve
they cannot calve 	I cannot be calving
you cannot be calving
he cannot be calving
we cannot be calving
you cannot be calving
they cannot be calving	I cannot have calved
you cannot have calved
he cannot have calved
we cannot have calved
you cannot have calved
they cannot have calved	I cannot have been calving
you cannot have been calving
he cannot have been calving
we cannot have been calving
you cannot have been calving
they cannot have been calving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I calve?
can you calve?
can he calve?
can we calve?
can you calve?
can they calve? 	can I be calving?
can you be calving?
can he be calving?
can we be calving?
can you be calving?
can they be calving? 	can I have calved?
can you have calved?
can he have calved?
can we have calved?
can you have calved?
can they have calved? 	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 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not calve?
can you not calve?
can he not calve?
can we not calve?
can you not calve?
can they not calve? 	can I not be calving?
can you not be calving?
can he not be calving?
can we not be calving?
can you not be calving?
can they not be calving? 	can I not have calved?
can you not have calved?
can he not have calved?
can we not have calved?
can you not have calved?
can they not have calved? 	can I not have been calving?
can you not have been calving?
can he not have been calving?
can we not have been calving?
can you not have been calving?
can they not have been calving?