must stultify
Regular verb: stultify - stultified- stultified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must stultify
you must stultify
she must stultify
we must stultify
you must stultify
they must stultify 	I must be stultifying
you must be stultifying
she must be stultifying
we must be stultifying
you must be stultifying
they must be stultifying	I must have stultified
you must have stultified
she must have stultified
we must have stultified
you must have stultified
they must have stultified	I must have been stultifying
you must have been stultifying
she must have been stultifying
we must have been stultifying
you must have been stultifying
they must have been stultifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't stultify
you mustn't stultify
she mustn't stultify
we mustn't stultify
you mustn't stultify
they mustn't stultify 	I mustn't be stultifying
you mustn't be stultifying
she mustn't be stultifying
we mustn't be stultifying
you mustn't be stultifying
they mustn't be stultifying	I mustn't have stultified
you mustn't have stultified
she mustn't have stultified
we mustn't have stultified
you mustn't have stultified
they mustn't have stultified	I mustn't have been stultifying
you mustn't have been stultifying
she mustn't have been stultifying
we mustn't have been stultifying
you mustn't have been stultifying
they mustn't have been stultifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I stultify?
must you stultify?
must she stultify?
must we stultify?
must you stultify?
must they stultify? 	must I be stultifying?
must you be stultifying?
must she be stultifying?
must we be stultifying?
must you be stultifying?
must they be stultifying? 	must I have stultified?
must you have stultified?
must she have stultified?
must we have stultified?
must you have stultified?
must they have stultified? 	must I have been stultifying?
must you have been stultifying?
must she have been stultifying?
must we have been stultifying?
must you have been stultifying?
must they have been stultifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I stultify?
mustn't you stultify?
mustn't she stultify?
mustn't we stultify?
mustn't you stultify?
mustn't they stultify? 	mustn't I be stultifying?
mustn't you be stultifying?
mustn't she be stultifying?
mustn't we be stultifying?
mustn't you be stultifying?
mustn't they be stultifying? 	mustn't I have stultified?
mustn't you have stultified?
mustn't she have stultified?
mustn't we have stultified?
mustn't you have stultified?
mustn't they have stultified? 	mustn't I have been stultifying?
mustn't you have been stultifying?
mustn't she have been stultifying?
mustn't we have been stultifying?
mustn't you have been stultifying?
mustn't they have been stultifying?