must perfect
Regular verb: perfect - perfected- perfected

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must perfect
you must perfect
he must perfect
we must perfect
you must perfect
they must perfect 	I must be perfecting
you must be perfecting
he must be perfecting
we must be perfecting
you must be perfecting
they must be perfecting	I must have perfected
you must have perfected
he must have perfected
we must have perfected
you must have perfected
they must have perfected	I must have been perfecting
you must have been perfecting
he must have been perfecting
we must have been perfecting
you must have been perfecting
they must have been perfecting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't perfect
you mustn't perfect
he mustn't perfect
we mustn't perfect
you mustn't perfect
they mustn't perfect 	I mustn't be perfecting
you mustn't be perfecting
he mustn't be perfecting
we mustn't be perfecting
you mustn't be perfecting
they mustn't be perfecting	I mustn't have perfected
you mustn't have perfected
he mustn't have perfected
we mustn't have perfected
you mustn't have perfected
they mustn't have perfected	I mustn't have been perfecting
you mustn't have been perfecting
he mustn't have been perfecting
we mustn't have been perfecting
you mustn't have been perfecting
they mustn't have been perfecting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I perfect?
must you perfect?
must he perfect?
must we perfect?
must you perfect?
must they perfect? 	must I be perfecting?
must you be perfecting?
must he be perfecting?
must we be perfecting?
must you be perfecting?
must they be perfecting? 	must I have perfected?
must you have perfected?
must he have perfected?
must we have perfected?
must you have perfected?
must they have perfected? 	must I have been perfecting?
must you have been perfecting?
must he have been perfecting?
must we have been perfecting?
must you have been perfecting?
must they have been perfecting? 	

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