must calve
Verbo regolare: calve - calved- calved

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must calve
you must calve
he must calve
we must calve
you must calve
they must calve 	I must be calving
you must be calving
he must be calving
we must be calving
you must be calving
they must be calving	I must have calved
you must have calved
he must have calved
we must have calved
you must have calved
they must have calved	I must have been calving
you must have been calving
he must have been calving
we must have been calving
you must have been calving
they must have been calving	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not calve
you must not calve
he must not calve
we must not calve
you must not calve
they must not calve 	I must not be calving
you must not be calving
he must not be calving
we must not be calving
you must not be calving
they must not be calving	I must not have calved
you must not have calved
he must not have calved
we must not have calved
you must not have calved
they must not have calved	I must not have been calving
you must not have been calving
he must not have been calving
we must not have been calving
you must not have been calving
they must not have been calving	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I calve?
must you calve?
must he calve?
must we calve?
must you calve?
must they calve? 	must I be calving?
must you be calving?
must he be calving?
must we be calving?
must you be calving?
must they be calving? 	must I have calved?
must you have calved?
must he have calved?
must we have calved?
must you have calved?
must they have calved? 	must I have been calving?
must you have been calving?
must he have been calving?
must we have been calving?
must you have been calving?
must they have been calving? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not calve?
must you not calve?
must he not calve?
must we not calve?
must you not calve?
must they not calve? 	must I not be calving?
must you not be calving?
must he not be calving?
must we not be calving?
must you not be calving?
must they not be calving? 	must I not have calved?
must you not have calved?
must he not have calved?
must we not have calved?
must you not have calved?
must they not have calved? 	must I not have been calving?
must you not have been calving?
must he not have been calving?
must we not have been calving?
must you not have been calving?
must they not have been calving?