ought to strangle
Regular verb: strangle - strangled- strangled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to strangle
you ought to strangle
he ought to strangle
we ought to strangle
you ought to strangle
they ought to strangle 	I ought to be strangling
you ought to be strangling
he ought to be strangling
we ought to be strangling
you ought to be strangling
they ought to be strangling	I ought to have strangled
you ought to have strangled
he ought to have strangled
we ought to have strangled
you ought to have strangled
they ought to have strangled	I ought to have been strangling
you ought to have been strangling
he ought to have been strangling
we ought to have been strangling
you ought to have been strangling
they ought to have been strangling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to strangle
you oughtn't to strangle
he oughtn't to strangle
we oughtn't to strangle
you oughtn't to strangle
they oughtn't to strangle 	I oughtn't to be strangling
you oughtn't to be strangling
he oughtn't to be strangling
we oughtn't to be strangling
you oughtn't to be strangling
they oughtn't to be strangling	I oughtn't to have strangled
you oughtn't to have strangled
he oughtn't to have strangled
we oughtn't to have strangled
you oughtn't to have strangled
they oughtn't to have strangled	I oughtn't to have been strangling
you oughtn't to have been strangling
he oughtn't to have been strangling
we oughtn't to have been strangling
you oughtn't to have been strangling
they oughtn't to have been strangling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I strangle?
ought to you strangle?
ought to he strangle?
ought to we strangle?
ought to you strangle?
ought to they strangle? 	ought to I be strangling?
ought to you be strangling?
ought to he be strangling?
ought to we be strangling?
ought to you be strangling?
ought to they be strangling? 	ought to I have strangled?
ought to you have strangled?
ought to he have strangled?
ought to we have strangled?
ought to you have strangled?
ought to they have strangled? 	ought to I have been strangling?
ought to you have been strangling?
ought to he have been strangling?
ought to we have been strangling?
ought to you have been strangling?
ought to they have been strangling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to strangle?
oughtn't you to strangle?
oughtn't he to strangle?
oughtn't we to strangle?
oughtn't you to strangle?
oughtn't they to strangle? 	oughtn't I to be strangling?
oughtn't you to be strangling?
oughtn't he to be strangling?
oughtn't we to be strangling?
oughtn't you to be strangling?
oughtn't they to be strangling? 	oughtn't I to have strangled?
oughtn't you to have strangled?
oughtn't he to have strangled?
oughtn't we to have strangled?
oughtn't you to have strangled?
oughtn't they to have strangled? 	oughtn't I to have been strangling?
oughtn't you to have been strangling?
oughtn't he to have been strangling?
oughtn't we to have been strangling?
oughtn't you to have been strangling?
oughtn't they to have been strangling?