must malign
Regular verb: malign - maligned- maligned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must malign
you must malign
he must malign
we must malign
you must malign
they must malign 	I must be maligning
you must be maligning
he must be maligning
we must be maligning
you must be maligning
they must be maligning	I must have maligned
you must have maligned
he must have maligned
we must have maligned
you must have maligned
they must have maligned	I must have been maligning
you must have been maligning
he must have been maligning
we must have been maligning
you must have been maligning
they must have been maligning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't malign
you mustn't malign
he mustn't malign
we mustn't malign
you mustn't malign
they mustn't malign 	I mustn't be maligning
you mustn't be maligning
he mustn't be maligning
we mustn't be maligning
you mustn't be maligning
they mustn't be maligning	I mustn't have maligned
you mustn't have maligned
he mustn't have maligned
we mustn't have maligned
you mustn't have maligned
they mustn't have maligned	I mustn't have been maligning
you mustn't have been maligning
he mustn't have been maligning
we mustn't have been maligning
you mustn't have been maligning
they mustn't have been maligning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I malign?
must you malign?
must he malign?
must we malign?
must you malign?
must they malign? 	must I be maligning?
must you be maligning?
must he be maligning?
must we be maligning?
must you be maligning?
must they be maligning? 	must I have maligned?
must you have maligned?
must he have maligned?
must we have maligned?
must you have maligned?
must they have maligned? 	must I have been maligning?
must you have been maligning?
must he have been maligning?
must we have been maligning?
must you have been maligning?
must they have been maligning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I malign?
mustn't you malign?
mustn't he malign?
mustn't we malign?
mustn't you malign?
mustn't they malign? 	mustn't I be maligning?
mustn't you be maligning?
mustn't he be maligning?
mustn't we be maligning?
mustn't you be maligning?
mustn't they be maligning? 	mustn't I have maligned?
mustn't you have maligned?
mustn't he have maligned?
mustn't we have maligned?
mustn't you have maligned?
mustn't they have maligned? 	mustn't I have been maligning?
mustn't you have been maligning?
mustn't he have been maligning?
mustn't we have been maligning?
mustn't you have been maligning?
mustn't they have been maligning?