must frizz
Regular verb: frizz - frizzed- frizzed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must frizz
you must frizz
he must frizz
we must frizz
you must frizz
they must frizz 	I must be frizzing
you must be frizzing
he must be frizzing
we must be frizzing
you must be frizzing
they must be frizzing	I must have frizzed
you must have frizzed
he must have frizzed
we must have frizzed
you must have frizzed
they must have frizzed	I must have been frizzing
you must have been frizzing
he must have been frizzing
we must have been frizzing
you must have been frizzing
they must have been frizzing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not frizz
you must not frizz
he must not frizz
we must not frizz
you must not frizz
they must not frizz 	I must not be frizzing
you must not be frizzing
he must not be frizzing
we must not be frizzing
you must not be frizzing
they must not be frizzing	I must not have frizzed
you must not have frizzed
he must not have frizzed
we must not have frizzed
you must not have frizzed
they must not have frizzed	I must not have been frizzing
you must not have been frizzing
he must not have been frizzing
we must not have been frizzing
you must not have been frizzing
they must not have been frizzing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I frizz?
must you frizz?
must he frizz?
must we frizz?
must you frizz?
must they frizz? 	must I be frizzing?
must you be frizzing?
must he be frizzing?
must we be frizzing?
must you be frizzing?
must they be frizzing? 	must I have frizzed?
must you have frizzed?
must he have frizzed?
must we have frizzed?
must you have frizzed?
must they have frizzed? 	must I have been frizzing?
must you have been frizzing?
must he have been frizzing?
must we have been frizzing?
must you have been frizzing?
must they have been frizzing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not frizz?
must you not frizz?
must he not frizz?
must we not frizz?
must you not frizz?
must they not frizz? 	must I not be frizzing?
must you not be frizzing?
must he not be frizzing?
must we not be frizzing?
must you not be frizzing?
must they not be frizzing? 	must I not have frizzed?
must you not have frizzed?
must he not have frizzed?
must we not have frizzed?
must you not have frizzed?
must they not have frizzed? 	must I not have been frizzing?
must you not have been frizzing?
must he not have been frizzing?
must we not have been frizzing?
must you not have been frizzing?
must they not have been frizzing?