must confuse
Regular verb: confuse - confused- confused

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must confuse
you must confuse
he must confuse
we must confuse
you must confuse
they must confuse 	I must be confusing
you must be confusing
he must be confusing
we must be confusing
you must be confusing
they must be confusing	I must have confused
you must have confused
he must have confused
we must have confused
you must have confused
they must have confused	I must have been confusing
you must have been confusing
he must have been confusing
we must have been confusing
you must have been confusing
they must have been confusing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't confuse
you mustn't confuse
he mustn't confuse
we mustn't confuse
you mustn't confuse
they mustn't confuse 	I mustn't be confusing
you mustn't be confusing
he mustn't be confusing
we mustn't be confusing
you mustn't be confusing
they mustn't be confusing	I mustn't have confused
you mustn't have confused
he mustn't have confused
we mustn't have confused
you mustn't have confused
they mustn't have confused	I mustn't have been confusing
you mustn't have been confusing
he mustn't have been confusing
we mustn't have been confusing
you mustn't have been confusing
they mustn't have been confusing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I confuse?
must you confuse?
must he confuse?
must we confuse?
must you confuse?
must they confuse? 	must I be confusing?
must you be confusing?
must he be confusing?
must we be confusing?
must you be confusing?
must they be confusing? 	must I have confused?
must you have confused?
must he have confused?
must we have confused?
must you have confused?
must they have confused? 	must I have been confusing?
must you have been confusing?
must he have been confusing?
must we have been confusing?
must you have been confusing?
must they have been confusing? 	

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