ought to defibrinate
Regular verb: defibrinate - defibrinated- defibrinated

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

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

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

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