must formalize
Regular verb: formalize - formalized- formalized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must formalize
you must formalize
he must formalize
we must formalize
you must formalize
they must formalize 	I must be formalizing
you must be formalizing
he must be formalizing
we must be formalizing
you must be formalizing
they must be formalizing	I must have formalized
you must have formalized
he must have formalized
we must have formalized
you must have formalized
they must have formalized	I must have been formalizing
you must have been formalizing
he must have been formalizing
we must have been formalizing
you must have been formalizing
they must have been formalizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not formalize
you must not formalize
he must not formalize
we must not formalize
you must not formalize
they must not formalize 	I must not be formalizing
you must not be formalizing
he must not be formalizing
we must not be formalizing
you must not be formalizing
they must not be formalizing	I must not have formalized
you must not have formalized
he must not have formalized
we must not have formalized
you must not have formalized
they must not have formalized	I must not have been formalizing
you must not have been formalizing
he must not have been formalizing
we must not have been formalizing
you must not have been formalizing
they must not have been formalizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I formalize?
must you formalize?
must he formalize?
must we formalize?
must you formalize?
must they formalize? 	must I be formalizing?
must you be formalizing?
must he be formalizing?
must we be formalizing?
must you be formalizing?
must they be formalizing? 	must I have formalized?
must you have formalized?
must he have formalized?
must we have formalized?
must you have formalized?
must they have formalized? 	must I have been formalizing?
must you have been formalizing?
must he have been formalizing?
must we have been formalizing?
must you have been formalizing?
must they have been formalizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not formalize?
must you not formalize?
must he not formalize?
must we not formalize?
must you not formalize?
must they not formalize? 	must I not be formalizing?
must you not be formalizing?
must he not be formalizing?
must we not be formalizing?
must you not be formalizing?
must they not be formalizing? 	must I not have formalized?
must you not have formalized?
must he not have formalized?
must we not have formalized?
must you not have formalized?
must they not have formalized? 	must I not have been formalizing?
must you not have been formalizing?
must he not have been formalizing?
must we not have been formalizing?
must you not have been formalizing?
must they not have been formalizing?