ought to board
Regular verb: board - boarded- boarded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?