must molder
Regular verb: molder - moldered- moldered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must molder
you must molder
he must molder
we must molder
you must molder
they must molder 	I must be moldering
you must be moldering
he must be moldering
we must be moldering
you must be moldering
they must be moldering	I must have moldered
you must have moldered
he must have moldered
we must have moldered
you must have moldered
they must have moldered	I must have been moldering
you must have been moldering
he must have been moldering
we must have been moldering
you must have been moldering
they must have been moldering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not molder
you must not molder
he must not molder
we must not molder
you must not molder
they must not molder 	I must not be moldering
you must not be moldering
he must not be moldering
we must not be moldering
you must not be moldering
they must not be moldering	I must not have moldered
you must not have moldered
he must not have moldered
we must not have moldered
you must not have moldered
they must not have moldered	I must not have been moldering
you must not have been moldering
he must not have been moldering
we must not have been moldering
you must not have been moldering
they must not have been moldering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I molder?
must you molder?
must he molder?
must we molder?
must you molder?
must they molder? 	must I be moldering?
must you be moldering?
must he be moldering?
must we be moldering?
must you be moldering?
must they be moldering? 	must I have moldered?
must you have moldered?
must he have moldered?
must we have moldered?
must you have moldered?
must they have moldered? 	must I have been moldering?
must you have been moldering?
must he have been moldering?
must we have been moldering?
must you have been moldering?
must they have been moldering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not molder?
must you not molder?
must he not molder?
must we not molder?
must you not molder?
must they not molder? 	must I not be moldering?
must you not be moldering?
must he not be moldering?
must we not be moldering?
must you not be moldering?
must they not be moldering? 	must I not have moldered?
must you not have moldered?
must he not have moldered?
must we not have moldered?
must you not have moldered?
must they not have moldered? 	must I not have been moldering?
must you not have been moldering?
must he not have been moldering?
must we not have been moldering?
must you not have been moldering?
must they not have been moldering?