must molt
Regular verb: molt - molted- molted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must molt
you must molt
he must molt
we must molt
you must molt
they must molt 	I must be molting
you must be molting
he must be molting
we must be molting
you must be molting
they must be molting	I must have molted
you must have molted
he must have molted
we must have molted
you must have molted
they must have molted	I must have been molting
you must have been molting
he must have been molting
we must have been molting
you must have been molting
they must have been molting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not molt
you must not molt
he must not molt
we must not molt
you must not molt
they must not molt 	I must not be molting
you must not be molting
he must not be molting
we must not be molting
you must not be molting
they must not be molting	I must not have molted
you must not have molted
he must not have molted
we must not have molted
you must not have molted
they must not have molted	I must not have been molting
you must not have been molting
he must not have been molting
we must not have been molting
you must not have been molting
they must not have been molting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I molt?
must you molt?
must he molt?
must we molt?
must you molt?
must they molt? 	must I be molting?
must you be molting?
must he be molting?
must we be molting?
must you be molting?
must they be molting? 	must I have molted?
must you have molted?
must he have molted?
must we have molted?
must you have molted?
must they have molted? 	must I have been molting?
must you have been molting?
must he have been molting?
must we have been molting?
must you have been molting?
must they have been molting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not molt?
must you not molt?
must he not molt?
must we not molt?
must you not molt?
must they not molt? 	must I not be molting?
must you not be molting?
must he not be molting?
must we not be molting?
must you not be molting?
must they not be molting? 	must I not have molted?
must you not have molted?
must he not have molted?
must we not have molted?
must you not have molted?
must they not have molted? 	must I not have been molting?
must you not have been molting?
must he not have been molting?
must we not have been molting?
must you not have been molting?
must they not have been molting?