English verb conjugation
OUGHT TO SPARK

Regular verb: spark - sparked - sparked

Affirmation

Simple form	V-ing form
I ought to spark you ought to spark he ought to spark we ought to spark you ought to spark they ought to spark	I ought to be sparking you ought to be sparking he ought to be sparking we ought to be sparking you ought to be sparking they ought to be sparking
Perfect	V-ing perfect
I ought to have sparked you ought to have sparked he ought to have sparked we ought to have sparked you ought to have sparked they ought to have sparked	I ought to have been sparking you ought to have been sparking he ought to have been sparking we ought to have been sparking you ought to have been sparking they ought to have been sparking

Negation

Simple form	V-ing form
I oughtn't to spark you oughtn't to spark he oughtn't to spark we oughtn't to spark you oughtn't to spark they oughtn't to spark	I oughtn't to be sparking you oughtn't to be sparking he oughtn't to be sparking we oughtn't to be sparking you oughtn't to be sparking they oughtn't to be sparking
Perfect	V-ing perfect
I oughtn't to have sparked you oughtn't to have sparked he oughtn't to have sparked we oughtn't to have sparked you oughtn't to have sparked they oughtn't to have sparked	I oughtn't to have been sparking you oughtn't to have been sparking he oughtn't to have been sparking we oughtn't to have been sparking you oughtn't to have been sparking they oughtn't to have been sparking

Interrogative form

Simple form	V-ing form
ought to I spark? ought to you spark? ought to he spark? ought to we spark? ought to you spark? ought to they spark?	ought to I be sparking? ought to you be sparking? ought to he be sparking? ought to we be sparking? ought to you be sparking? ought to they be sparking?
Perfect	V-ing perfect
ought to I have sparked? ought to you have sparked? ought to he have sparked? ought to we have sparked? ought to you have sparked? ought to they have sparked?	ought to I have been sparking? ought to you have been sparking? ought to he have been sparking? ought to we have been sparking? ought to you have been sparking? ought to they have been sparking?

Interro-negative form

Simple form	V-ing form
oughtn't I to spark? oughtn't you to spark? oughtn't he to spark? oughtn't we to spark? oughtn't you to spark? oughtn't they to spark?	oughtn't I to be sparking? oughtn't you to be sparking? oughtn't he to be sparking? oughtn't we to be sparking? oughtn't you to be sparking? oughtn't they to be sparking?
Perfect	V-ing perfect
oughtn't I to have sparked? oughtn't you to have sparked? oughtn't he to have sparked? oughtn't we to have sparked? oughtn't you to have sparked? oughtn't they to have sparked?	oughtn't I to have been sparking? oughtn't you to have been sparking? oughtn't he to have been sparking? oughtn't we to have been sparking? oughtn't you to have been sparking? oughtn't they to have been sparking?