English verb conjugation
OUGHT TO BOARD

Regular verb: board - boarded - boarded

Affirmation

Simple form	V-ing form
I ought to board you ought to board he ought to board we ought to board you ought to board they ought to board	I ought to be boarding you ought to be boarding he ought to be boarding we ought to be boarding you ought to be boarding they ought to be boarding
Perfect	V-ing perfect
I ought to have boarded you ought to have boarded he ought to have boarded we ought to have boarded you ought to have boarded they ought to have boarded	I ought to have been boarding you ought to have been boarding he ought to have been boarding we ought to have been boarding you ought to have been boarding they ought to have been boarding

Negation

Simple form	V-ing form
I oughtn't to board you oughtn't to board he oughtn't to board we oughtn't to board you oughtn't to board they oughtn't to board	I oughtn't to be boarding you oughtn't to be boarding he oughtn't to be boarding we oughtn't to be boarding you oughtn't to be boarding they oughtn't to be boarding
Perfect	V-ing perfect
I oughtn't to have boarded you oughtn't to have boarded he oughtn't to have boarded we oughtn't to have boarded you oughtn't to have boarded they oughtn't to have boarded	I oughtn't to have been boarding you oughtn't to have been boarding he oughtn't to have been boarding we oughtn't to have been boarding you oughtn't to have been boarding they oughtn't to have been boarding

Interrogative form

Simple form	V-ing form
ought to I board? ought to you board? ought to he board? ought to we board? ought to you board? ought to they board?	ought to I be boarding? ought to you be boarding? ought to he be boarding? ought to we be boarding? ought to you be boarding? ought to they be boarding?
Perfect	V-ing perfect
ought to I have boarded? ought to you have boarded? ought to he have boarded? ought to we have boarded? ought to you have boarded? ought to they have boarded?	ought to I have been boarding? ought to you have been boarding? ought to he have been boarding? ought to we have been boarding? ought to you have been boarding? ought to they have been boarding?

Interro-negative form

Simple form	V-ing form
oughtn't I to board? oughtn't you to board? oughtn't he to board? oughtn't we to board? oughtn't you to board? oughtn't they to board?	oughtn't I to be boarding? oughtn't you to be boarding? oughtn't he to be boarding? oughtn't we to be boarding? oughtn't you to be boarding? oughtn't they to be boarding?
Perfect	V-ing perfect
oughtn't I to have boarded? oughtn't you to have boarded? oughtn't he to have boarded? oughtn't we to have boarded? oughtn't you to have boarded? oughtn't they to have boarded?	oughtn't I to have been boarding? oughtn't you to have been boarding? oughtn't he to have been boarding? oughtn't we to have been boarding? oughtn't you to have been boarding? oughtn't they to have been boarding?