must prize
Regular verb: prize - prized- prized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must prize
you must prize
he must prize
we must prize
you must prize
they must prize 	I must be prizing
you must be prizing
he must be prizing
we must be prizing
you must be prizing
they must be prizing	I must have prized
you must have prized
he must have prized
we must have prized
you must have prized
they must have prized	I must have been prizing
you must have been prizing
he must have been prizing
we must have been prizing
you must have been prizing
they must have been prizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not prize
you must not prize
he must not prize
we must not prize
you must not prize
they must not prize 	I must not be prizing
you must not be prizing
he must not be prizing
we must not be prizing
you must not be prizing
they must not be prizing	I must not have prized
you must not have prized
he must not have prized
we must not have prized
you must not have prized
they must not have prized	I must not have been prizing
you must not have been prizing
he must not have been prizing
we must not have been prizing
you must not have been prizing
they must not have been prizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I prize?
must you prize?
must he prize?
must we prize?
must you prize?
must they prize? 	must I be prizing?
must you be prizing?
must he be prizing?
must we be prizing?
must you be prizing?
must they be prizing? 	must I have prized?
must you have prized?
must he have prized?
must we have prized?
must you have prized?
must they have prized? 	must I have been prizing?
must you have been prizing?
must he have been prizing?
must we have been prizing?
must you have been prizing?
must they have been prizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not prize?
must you not prize?
must he not prize?
must we not prize?
must you not prize?
must they not prize? 	must I not be prizing?
must you not be prizing?
must he not be prizing?
must we not be prizing?
must you not be prizing?
must they not be prizing? 	must I not have prized?
must you not have prized?
must he not have prized?
must we not have prized?
must you not have prized?
must they not have prized? 	must I not have been prizing?
must you not have been prizing?
must he not have been prizing?
must we not have been prizing?
must you not have been prizing?
must they not have been prizing?