must russify
Regular verb: russify - russified- russified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must russify
you must russify
he must russify
we must russify
you must russify
they must russify 	I must be russifying
you must be russifying
he must be russifying
we must be russifying
you must be russifying
they must be russifying	I must have russified
you must have russified
he must have russified
we must have russified
you must have russified
they must have russified	I must have been russifying
you must have been russifying
he must have been russifying
we must have been russifying
you must have been russifying
they must have been russifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't russify
you mustn't russify
he mustn't russify
we mustn't russify
you mustn't russify
they mustn't russify 	I mustn't be russifying
you mustn't be russifying
he mustn't be russifying
we mustn't be russifying
you mustn't be russifying
they mustn't be russifying	I mustn't have russified
you mustn't have russified
he mustn't have russified
we mustn't have russified
you mustn't have russified
they mustn't have russified	I mustn't have been russifying
you mustn't have been russifying
he mustn't have been russifying
we mustn't have been russifying
you mustn't have been russifying
they mustn't have been russifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I russify?
must you russify?
must he russify?
must we russify?
must you russify?
must they russify? 	must I be russifying?
must you be russifying?
must he be russifying?
must we be russifying?
must you be russifying?
must they be russifying? 	must I have russified?
must you have russified?
must he have russified?
must we have russified?
must you have russified?
must they have russified? 	must I have been russifying?
must you have been russifying?
must he have been russifying?
must we have been russifying?
must you have been russifying?
must they have been russifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I russify?
mustn't you russify?
mustn't he russify?
mustn't we russify?
mustn't you russify?
mustn't they russify? 	mustn't I be russifying?
mustn't you be russifying?
mustn't he be russifying?
mustn't we be russifying?
mustn't you be russifying?
mustn't they be russifying? 	mustn't I have russified?
mustn't you have russified?
mustn't he have russified?
mustn't we have russified?
mustn't you have russified?
mustn't they have russified? 	mustn't I have been russifying?
mustn't you have been russifying?
mustn't he have been russifying?
mustn't we have been russifying?
mustn't you have been russifying?
mustn't they have been russifying?