ought to gain
Regular verb: gain - gained- gained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to gain
you ought to gain
he ought to gain
we ought to gain
you ought to gain
they ought to gain 	I ought to be gaining
you ought to be gaining
he ought to be gaining
we ought to be gaining
you ought to be gaining
they ought to be gaining	I ought to have gained
you ought to have gained
he ought to have gained
we ought to have gained
you ought to have gained
they ought to have gained	I ought to have been gaining
you ought to have been gaining
he ought to have been gaining
we ought to have been gaining
you ought to have been gaining
they ought to have been gaining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to gain
you oughtn't to gain
he oughtn't to gain
we oughtn't to gain
you oughtn't to gain
they oughtn't to gain 	I oughtn't to be gaining
you oughtn't to be gaining
he oughtn't to be gaining
we oughtn't to be gaining
you oughtn't to be gaining
they oughtn't to be gaining	I oughtn't to have gained
you oughtn't to have gained
he oughtn't to have gained
we oughtn't to have gained
you oughtn't to have gained
they oughtn't to have gained	I oughtn't to have been gaining
you oughtn't to have been gaining
he oughtn't to have been gaining
we oughtn't to have been gaining
you oughtn't to have been gaining
they oughtn't to have been gaining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I gain?
ought to you gain?
ought to he gain?
ought to we gain?
ought to you gain?
ought to they gain? 	ought to I be gaining?
ought to you be gaining?
ought to he be gaining?
ought to we be gaining?
ought to you be gaining?
ought to they be gaining? 	ought to I have gained?
ought to you have gained?
ought to he have gained?
ought to we have gained?
ought to you have gained?
ought to they have gained? 	ought to I have been gaining?
ought to you have been gaining?
ought to he have been gaining?
ought to we have been gaining?
ought to you have been gaining?
ought to they have been gaining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to gain?
oughtn't you to gain?
oughtn't he to gain?
oughtn't we to gain?
oughtn't you to gain?
oughtn't they to gain? 	oughtn't I to be gaining?
oughtn't you to be gaining?
oughtn't he to be gaining?
oughtn't we to be gaining?
oughtn't you to be gaining?
oughtn't they to be gaining? 	oughtn't I to have gained?
oughtn't you to have gained?
oughtn't he to have gained?
oughtn't we to have gained?
oughtn't you to have gained?
oughtn't they to have gained? 	oughtn't I to have been gaining?
oughtn't you to have been gaining?
oughtn't he to have been gaining?
oughtn't we to have been gaining?
oughtn't you to have been gaining?
oughtn't they to have been gaining?