English verb conjugation
OUGHT TO NIGGLE

Regular verb: niggle - niggled - niggled

Affirmation

Simple form	V-ing form
I ought to niggle you ought to niggle he ought to niggle we ought to niggle you ought to niggle they ought to niggle	I ought to be niggling you ought to be niggling he ought to be niggling we ought to be niggling you ought to be niggling they ought to be niggling
Perfect	V-ing perfect
I ought to have niggled you ought to have niggled he ought to have niggled we ought to have niggled you ought to have niggled they ought to have niggled	I ought to have been niggling you ought to have been niggling he ought to have been niggling we ought to have been niggling you ought to have been niggling they ought to have been niggling

Negation

Simple form	V-ing form
I oughtn't to niggle you oughtn't to niggle he oughtn't to niggle we oughtn't to niggle you oughtn't to niggle they oughtn't to niggle	I oughtn't to be niggling you oughtn't to be niggling he oughtn't to be niggling we oughtn't to be niggling you oughtn't to be niggling they oughtn't to be niggling
Perfect	V-ing perfect
I oughtn't to have niggled you oughtn't to have niggled he oughtn't to have niggled we oughtn't to have niggled you oughtn't to have niggled they oughtn't to have niggled	I oughtn't to have been niggling you oughtn't to have been niggling he oughtn't to have been niggling we oughtn't to have been niggling you oughtn't to have been niggling they oughtn't to have been niggling

Interrogative form

Simple form	V-ing form
ought to I niggle? ought to you niggle? ought to he niggle? ought to we niggle? ought to you niggle? ought to they niggle?	ought to I be niggling? ought to you be niggling? ought to he be niggling? ought to we be niggling? ought to you be niggling? ought to they be niggling?
Perfect	V-ing perfect
ought to I have niggled? ought to you have niggled? ought to he have niggled? ought to we have niggled? ought to you have niggled? ought to they have niggled?	ought to I have been niggling? ought to you have been niggling? ought to he have been niggling? ought to we have been niggling? ought to you have been niggling? ought to they have been niggling?

Interro-negative form

Simple form	V-ing form
oughtn't I to niggle? oughtn't you to niggle? oughtn't he to niggle? oughtn't we to niggle? oughtn't you to niggle? oughtn't they to niggle?	oughtn't I to be niggling? oughtn't you to be niggling? oughtn't he to be niggling? oughtn't we to be niggling? oughtn't you to be niggling? oughtn't they to be niggling?
Perfect	V-ing perfect
oughtn't I to have niggled? oughtn't you to have niggled? oughtn't he to have niggled? oughtn't we to have niggled? oughtn't you to have niggled? oughtn't they to have niggled?	oughtn't I to have been niggling? oughtn't you to have been niggling? oughtn't he to have been niggling? oughtn't we to have been niggling? oughtn't you to have been niggling? oughtn't they to have been niggling?