ought to submarine
Regular verb: submarine - submarined- submarined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to submarine
you ought to submarine
he ought to submarine
we ought to submarine
you ought to submarine
they ought to submarine 	I ought to be submarining
you ought to be submarining
he ought to be submarining
we ought to be submarining
you ought to be submarining
they ought to be submarining	I ought to have submarined
you ought to have submarined
he ought to have submarined
we ought to have submarined
you ought to have submarined
they ought to have submarined	I ought to have been submarining
you ought to have been submarining
he ought to have been submarining
we ought to have been submarining
you ought to have been submarining
they ought to have been submarining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to submarine
you oughtn't to submarine
he oughtn't to submarine
we oughtn't to submarine
you oughtn't to submarine
they oughtn't to submarine 	I oughtn't to be submarining
you oughtn't to be submarining
he oughtn't to be submarining
we oughtn't to be submarining
you oughtn't to be submarining
they oughtn't to be submarining	I oughtn't to have submarined
you oughtn't to have submarined
he oughtn't to have submarined
we oughtn't to have submarined
you oughtn't to have submarined
they oughtn't to have submarined	I oughtn't to have been submarining
you oughtn't to have been submarining
he oughtn't to have been submarining
we oughtn't to have been submarining
you oughtn't to have been submarining
they oughtn't to have been submarining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I submarine?
ought to you submarine?
ought to he submarine?
ought to we submarine?
ought to you submarine?
ought to they submarine? 	ought to I be submarining?
ought to you be submarining?
ought to he be submarining?
ought to we be submarining?
ought to you be submarining?
ought to they be submarining? 	ought to I have submarined?
ought to you have submarined?
ought to he have submarined?
ought to we have submarined?
ought to you have submarined?
ought to they have submarined? 	ought to I have been submarining?
ought to you have been submarining?
ought to he have been submarining?
ought to we have been submarining?
ought to you have been submarining?
ought to they have been submarining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to submarine?
oughtn't you to submarine?
oughtn't he to submarine?
oughtn't we to submarine?
oughtn't you to submarine?
oughtn't they to submarine? 	oughtn't I to be submarining?
oughtn't you to be submarining?
oughtn't he to be submarining?
oughtn't we to be submarining?
oughtn't you to be submarining?
oughtn't they to be submarining? 	oughtn't I to have submarined?
oughtn't you to have submarined?
oughtn't he to have submarined?
oughtn't we to have submarined?
oughtn't you to have submarined?
oughtn't they to have submarined? 	oughtn't I to have been submarining?
oughtn't you to have been submarining?
oughtn't he to have been submarining?
oughtn't we to have been submarining?
oughtn't you to have been submarining?
oughtn't they to have been submarining?