ought to taper
Regular verb: taper - tapered- tapered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to taper
you ought to taper
he ought to taper
we ought to taper
you ought to taper
they ought to taper 	I ought to be tapering
you ought to be tapering
he ought to be tapering
we ought to be tapering
you ought to be tapering
they ought to be tapering	I ought to have tapered
you ought to have tapered
he ought to have tapered
we ought to have tapered
you ought to have tapered
they ought to have tapered	I ought to have been tapering
you ought to have been tapering
he ought to have been tapering
we ought to have been tapering
you ought to have been tapering
they ought to have been tapering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to taper
you oughtn't to taper
he oughtn't to taper
we oughtn't to taper
you oughtn't to taper
they oughtn't to taper 	I oughtn't to be tapering
you oughtn't to be tapering
he oughtn't to be tapering
we oughtn't to be tapering
you oughtn't to be tapering
they oughtn't to be tapering	I oughtn't to have tapered
you oughtn't to have tapered
he oughtn't to have tapered
we oughtn't to have tapered
you oughtn't to have tapered
they oughtn't to have tapered	I oughtn't to have been tapering
you oughtn't to have been tapering
he oughtn't to have been tapering
we oughtn't to have been tapering
you oughtn't to have been tapering
they oughtn't to have been tapering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I taper?
ought to you taper?
ought to he taper?
ought to we taper?
ought to you taper?
ought to they taper? 	ought to I be tapering?
ought to you be tapering?
ought to he be tapering?
ought to we be tapering?
ought to you be tapering?
ought to they be tapering? 	ought to I have tapered?
ought to you have tapered?
ought to he have tapered?
ought to we have tapered?
ought to you have tapered?
ought to they have tapered? 	ought to I have been tapering?
ought to you have been tapering?
ought to he have been tapering?
ought to we have been tapering?
ought to you have been tapering?
ought to they have been tapering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to taper?
oughtn't you to taper?
oughtn't he to taper?
oughtn't we to taper?
oughtn't you to taper?
oughtn't they to taper? 	oughtn't I to be tapering?
oughtn't you to be tapering?
oughtn't he to be tapering?
oughtn't we to be tapering?
oughtn't you to be tapering?
oughtn't they to be tapering? 	oughtn't I to have tapered?
oughtn't you to have tapered?
oughtn't he to have tapered?
oughtn't we to have tapered?
oughtn't you to have tapered?
oughtn't they to have tapered? 	oughtn't I to have been tapering?
oughtn't you to have been tapering?
oughtn't he to have been tapering?
oughtn't we to have been tapering?
oughtn't you to have been tapering?
oughtn't they to have been tapering?