must detract
Regular verb: detract - detracted- detracted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must detract
you must detract
he must detract
we must detract
you must detract
they must detract 	I must be detracting
you must be detracting
he must be detracting
we must be detracting
you must be detracting
they must be detracting	I must have detracted
you must have detracted
he must have detracted
we must have detracted
you must have detracted
they must have detracted	I must have been detracting
you must have been detracting
he must have been detracting
we must have been detracting
you must have been detracting
they must have been detracting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't detract
you mustn't detract
he mustn't detract
we mustn't detract
you mustn't detract
they mustn't detract 	I mustn't be detracting
you mustn't be detracting
he mustn't be detracting
we mustn't be detracting
you mustn't be detracting
they mustn't be detracting	I mustn't have detracted
you mustn't have detracted
he mustn't have detracted
we mustn't have detracted
you mustn't have detracted
they mustn't have detracted	I mustn't have been detracting
you mustn't have been detracting
he mustn't have been detracting
we mustn't have been detracting
you mustn't have been detracting
they mustn't have been detracting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I detract?
must you detract?
must he detract?
must we detract?
must you detract?
must they detract? 	must I be detracting?
must you be detracting?
must he be detracting?
must we be detracting?
must you be detracting?
must they be detracting? 	must I have detracted?
must you have detracted?
must he have detracted?
must we have detracted?
must you have detracted?
must they have detracted? 	must I have been detracting?
must you have been detracting?
must he have been detracting?
must we have been detracting?
must you have been detracting?
must they have been detracting? 	

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