ought to bolster
Regular verb: bolster - bolstered- bolstered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to bolster
you ought to bolster
he ought to bolster
we ought to bolster
you ought to bolster
they ought to bolster 	I ought to be bolstering
you ought to be bolstering
he ought to be bolstering
we ought to be bolstering
you ought to be bolstering
they ought to be bolstering	I ought to have bolstered
you ought to have bolstered
he ought to have bolstered
we ought to have bolstered
you ought to have bolstered
they ought to have bolstered	I ought to have been bolstering
you ought to have been bolstering
he ought to have been bolstering
we ought to have been bolstering
you ought to have been bolstering
they ought to have been bolstering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to bolster
you oughtn't to bolster
he oughtn't to bolster
we oughtn't to bolster
you oughtn't to bolster
they oughtn't to bolster 	I oughtn't to be bolstering
you oughtn't to be bolstering
he oughtn't to be bolstering
we oughtn't to be bolstering
you oughtn't to be bolstering
they oughtn't to be bolstering	I oughtn't to have bolstered
you oughtn't to have bolstered
he oughtn't to have bolstered
we oughtn't to have bolstered
you oughtn't to have bolstered
they oughtn't to have bolstered	I oughtn't to have been bolstering
you oughtn't to have been bolstering
he oughtn't to have been bolstering
we oughtn't to have been bolstering
you oughtn't to have been bolstering
they oughtn't to have been bolstering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I bolster?
ought to you bolster?
ought to he bolster?
ought to we bolster?
ought to you bolster?
ought to they bolster? 	ought to I be bolstering?
ought to you be bolstering?
ought to he be bolstering?
ought to we be bolstering?
ought to you be bolstering?
ought to they be bolstering? 	ought to I have bolstered?
ought to you have bolstered?
ought to he have bolstered?
ought to we have bolstered?
ought to you have bolstered?
ought to they have bolstered? 	ought to I have been bolstering?
ought to you have been bolstering?
ought to he have been bolstering?
ought to we have been bolstering?
ought to you have been bolstering?
ought to they have been bolstering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to bolster?
oughtn't you to bolster?
oughtn't he to bolster?
oughtn't we to bolster?
oughtn't you to bolster?
oughtn't they to bolster? 	oughtn't I to be bolstering?
oughtn't you to be bolstering?
oughtn't he to be bolstering?
oughtn't we to be bolstering?
oughtn't you to be bolstering?
oughtn't they to be bolstering? 	oughtn't I to have bolstered?
oughtn't you to have bolstered?
oughtn't he to have bolstered?
oughtn't we to have bolstered?
oughtn't you to have bolstered?
oughtn't they to have bolstered? 	oughtn't I to have been bolstering?
oughtn't you to have been bolstering?
oughtn't he to have been bolstering?
oughtn't we to have been bolstering?
oughtn't you to have been bolstering?
oughtn't they to have been bolstering?