must defibrinate
Regular verb: defibrinate - defibrinated- defibrinated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must defibrinate
you must defibrinate
he must defibrinate
we must defibrinate
you must defibrinate
they must defibrinate 	I must be defibrinating
you must be defibrinating
he must be defibrinating
we must be defibrinating
you must be defibrinating
they must be defibrinating	I must have defibrinated
you must have defibrinated
he must have defibrinated
we must have defibrinated
you must have defibrinated
they must have defibrinated	I must have been defibrinating
you must have been defibrinating
he must have been defibrinating
we must have been defibrinating
you must have been defibrinating
they must have been defibrinating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't defibrinate
you mustn't defibrinate
he mustn't defibrinate
we mustn't defibrinate
you mustn't defibrinate
they mustn't defibrinate 	I mustn't be defibrinating
you mustn't be defibrinating
he mustn't be defibrinating
we mustn't be defibrinating
you mustn't be defibrinating
they mustn't be defibrinating	I mustn't have defibrinated
you mustn't have defibrinated
he mustn't have defibrinated
we mustn't have defibrinated
you mustn't have defibrinated
they mustn't have defibrinated	I mustn't have been defibrinating
you mustn't have been defibrinating
he mustn't have been defibrinating
we mustn't have been defibrinating
you mustn't have been defibrinating
they mustn't have been defibrinating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I defibrinate?
must you defibrinate?
must he defibrinate?
must we defibrinate?
must you defibrinate?
must they defibrinate? 	must I be defibrinating?
must you be defibrinating?
must he be defibrinating?
must we be defibrinating?
must you be defibrinating?
must they be defibrinating? 	must I have defibrinated?
must you have defibrinated?
must he have defibrinated?
must we have defibrinated?
must you have defibrinated?
must they have defibrinated? 	must I have been defibrinating?
must you have been defibrinating?
must he have been defibrinating?
must we have been defibrinating?
must you have been defibrinating?
must they have been defibrinating? 	

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