must pluralize
Regular verb: pluralize - pluralized- pluralized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must pluralize
you must pluralize
she must pluralize
we must pluralize
you must pluralize
they must pluralize 	I must be pluralizing
you must be pluralizing
she must be pluralizing
we must be pluralizing
you must be pluralizing
they must be pluralizing	I must have pluralized
you must have pluralized
she must have pluralized
we must have pluralized
you must have pluralized
they must have pluralized	I must have been pluralizing
you must have been pluralizing
she must have been pluralizing
we must have been pluralizing
you must have been pluralizing
they must have been pluralizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not pluralize
you must not pluralize
she must not pluralize
we must not pluralize
you must not pluralize
they must not pluralize 	I must not be pluralizing
you must not be pluralizing
she must not be pluralizing
we must not be pluralizing
you must not be pluralizing
they must not be pluralizing	I must not have pluralized
you must not have pluralized
she must not have pluralized
we must not have pluralized
you must not have pluralized
they must not have pluralized	I must not have been pluralizing
you must not have been pluralizing
she must not have been pluralizing
we must not have been pluralizing
you must not have been pluralizing
they must not have been pluralizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I pluralize?
must you pluralize?
must she pluralize?
must we pluralize?
must you pluralize?
must they pluralize? 	must I be pluralizing?
must you be pluralizing?
must she be pluralizing?
must we be pluralizing?
must you be pluralizing?
must they be pluralizing? 	must I have pluralized?
must you have pluralized?
must she have pluralized?
must we have pluralized?
must you have pluralized?
must they have pluralized? 	must I have been pluralizing?
must you have been pluralizing?
must she have been pluralizing?
must we have been pluralizing?
must you have been pluralizing?
must they have been pluralizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not pluralize?
must you not pluralize?
must she not pluralize?
must we not pluralize?
must you not pluralize?
must they not pluralize? 	must I not be pluralizing?
must you not be pluralizing?
must she not be pluralizing?
must we not be pluralizing?
must you not be pluralizing?
must they not be pluralizing? 	must I not have pluralized?
must you not have pluralized?
must she not have pluralized?
must we not have pluralized?
must you not have pluralized?
must they not have pluralized? 	must I not have been pluralizing?
must you not have been pluralizing?
must she not have been pluralizing?
must we not have been pluralizing?
must you not have been pluralizing?
must they not have been pluralizing?