must detour
Regular verb: detour - detoured- detoured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must detour
you must detour
he must detour
we must detour
you must detour
they must detour 	I must be detouring
you must be detouring
he must be detouring
we must be detouring
you must be detouring
they must be detouring	I must have detoured
you must have detoured
he must have detoured
we must have detoured
you must have detoured
they must have detoured	I must have been detouring
you must have been detouring
he must have been detouring
we must have been detouring
you must have been detouring
they must have been detouring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not detour
you must not detour
he must not detour
we must not detour
you must not detour
they must not detour 	I must not be detouring
you must not be detouring
he must not be detouring
we must not be detouring
you must not be detouring
they must not be detouring	I must not have detoured
you must not have detoured
he must not have detoured
we must not have detoured
you must not have detoured
they must not have detoured	I must not have been detouring
you must not have been detouring
he must not have been detouring
we must not have been detouring
you must not have been detouring
they must not have been detouring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I detour?
must you detour?
must he detour?
must we detour?
must you detour?
must they detour? 	must I be detouring?
must you be detouring?
must he be detouring?
must we be detouring?
must you be detouring?
must they be detouring? 	must I have detoured?
must you have detoured?
must he have detoured?
must we have detoured?
must you have detoured?
must they have detoured? 	must I have been detouring?
must you have been detouring?
must he have been detouring?
must we have been detouring?
must you have been detouring?
must they have been detouring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not detour?
must you not detour?
must he not detour?
must we not detour?
must you not detour?
must they not detour? 	must I not be detouring?
must you not be detouring?
must he not be detouring?
must we not be detouring?
must you not be detouring?
must they not be detouring? 	must I not have detoured?
must you not have detoured?
must he not have detoured?
must we not have detoured?
must you not have detoured?
must they not have detoured? 	must I not have been detouring?
must you not have been detouring?
must he not have been detouring?
must we not have been detouring?
must you not have been detouring?
must they not have been detouring?