English verb conjugation
OUGHT TO THREATEN

Regular verb: threaten - threatened - threatened

Affirmation

Simple form	V-ing form
I ought to threaten you ought to threaten he ought to threaten we ought to threaten you ought to threaten they ought to threaten	I ought to be threatening you ought to be threatening he ought to be threatening we ought to be threatening you ought to be threatening they ought to be threatening
Perfect	V-ing perfect
I ought to have threatened you ought to have threatened he ought to have threatened we ought to have threatened you ought to have threatened they ought to have threatened	I ought to have been threatening you ought to have been threatening he ought to have been threatening we ought to have been threatening you ought to have been threatening they ought to have been threatening

Negation

Simple form	V-ing form
I oughtn't to threaten you oughtn't to threaten he oughtn't to threaten we oughtn't to threaten you oughtn't to threaten they oughtn't to threaten	I oughtn't to be threatening you oughtn't to be threatening he oughtn't to be threatening we oughtn't to be threatening you oughtn't to be threatening they oughtn't to be threatening
Perfect	V-ing perfect
I oughtn't to have threatened you oughtn't to have threatened he oughtn't to have threatened we oughtn't to have threatened you oughtn't to have threatened they oughtn't to have threatened	I oughtn't to have been threatening you oughtn't to have been threatening he oughtn't to have been threatening we oughtn't to have been threatening you oughtn't to have been threatening they oughtn't to have been threatening

Interrogative form

Simple form	V-ing form
ought to I threaten? ought to you threaten? ought to he threaten? ought to we threaten? ought to you threaten? ought to they threaten?	ought to I be threatening? ought to you be threatening? ought to he be threatening? ought to we be threatening? ought to you be threatening? ought to they be threatening?
Perfect	V-ing perfect
ought to I have threatened? ought to you have threatened? ought to he have threatened? ought to we have threatened? ought to you have threatened? ought to they have threatened?	ought to I have been threatening? ought to you have been threatening? ought to he have been threatening? ought to we have been threatening? ought to you have been threatening? ought to they have been threatening?

Interro-negative form

Simple form	V-ing form
oughtn't I to threaten? oughtn't you to threaten? oughtn't he to threaten? oughtn't we to threaten? oughtn't you to threaten? oughtn't they to threaten?	oughtn't I to be threatening? oughtn't you to be threatening? oughtn't he to be threatening? oughtn't we to be threatening? oughtn't you to be threatening? oughtn't they to be threatening?
Perfect	V-ing perfect
oughtn't I to have threatened? oughtn't you to have threatened? oughtn't he to have threatened? oughtn't we to have threatened? oughtn't you to have threatened? oughtn't they to have threatened?	oughtn't I to have been threatening? oughtn't you to have been threatening? oughtn't he to have been threatening? oughtn't we to have been threatening? oughtn't you to have been threatening? oughtn't they to have been threatening?