English verb conjugation
OUGHT TO SINK

Irregular verb: sink - sank, sunk - sunk

Affirmation

Simple form	V-ing form
I ought to sink you ought to sink he ought to sink we ought to sink you ought to sink they ought to sink	I ought to be sinking you ought to be sinking he ought to be sinking we ought to be sinking you ought to be sinking they ought to be sinking
Perfect	V-ing perfect
I ought to have sunk you ought to have sunk he ought to have sunk we ought to have sunk you ought to have sunk they ought to have sunk	I ought to have been sinking you ought to have been sinking he ought to have been sinking we ought to have been sinking you ought to have been sinking they ought to have been sinking

Negation

Simple form	V-ing form
I oughtn't to sink you oughtn't to sink he oughtn't to sink we oughtn't to sink you oughtn't to sink they oughtn't to sink	I oughtn't to be sinking you oughtn't to be sinking he oughtn't to be sinking we oughtn't to be sinking you oughtn't to be sinking they oughtn't to be sinking
Perfect	V-ing perfect
I oughtn't to have sunk you oughtn't to have sunk he oughtn't to have sunk we oughtn't to have sunk you oughtn't to have sunk they oughtn't to have sunk	I oughtn't to have been sinking you oughtn't to have been sinking he oughtn't to have been sinking we oughtn't to have been sinking you oughtn't to have been sinking they oughtn't to have been sinking

Interrogative form

Simple form	V-ing form
ought to I sink? ought to you sink? ought to he sink? ought to we sink? ought to you sink? ought to they sink?	ought to I be sinking? ought to you be sinking? ought to he be sinking? ought to we be sinking? ought to you be sinking? ought to they be sinking?
Perfect	V-ing perfect
ought to I have sunk? ought to you have sunk? ought to he have sunk? ought to we have sunk? ought to you have sunk? ought to they have sunk?	ought to I have been sinking? ought to you have been sinking? ought to he have been sinking? ought to we have been sinking? ought to you have been sinking? ought to they have been sinking?

Interro-negative form

Simple form	V-ing form
oughtn't I to sink? oughtn't you to sink? oughtn't he to sink? oughtn't we to sink? oughtn't you to sink? oughtn't they to sink?	oughtn't I to be sinking? oughtn't you to be sinking? oughtn't he to be sinking? oughtn't we to be sinking? oughtn't you to be sinking? oughtn't they to be sinking?
Perfect	V-ing perfect
oughtn't I to have sunk? oughtn't you to have sunk? oughtn't he to have sunk? oughtn't we to have sunk? oughtn't you to have sunk? oughtn't they to have sunk?	oughtn't I to have been sinking? oughtn't you to have been sinking? oughtn't he to have been sinking? oughtn't we to have been sinking? oughtn't you to have been sinking? oughtn't they to have been sinking?