ought to butter
Regular verb: butter - buttered- buttered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to butter
you ought to butter
he ought to butter
we ought to butter
you ought to butter
they ought to butter 	I ought to be buttering
you ought to be buttering
he ought to be buttering
we ought to be buttering
you ought to be buttering
they ought to be buttering	I ought to have buttered
you ought to have buttered
he ought to have buttered
we ought to have buttered
you ought to have buttered
they ought to have buttered	I ought to have been buttering
you ought to have been buttering
he ought to have been buttering
we ought to have been buttering
you ought to have been buttering
they ought to have been buttering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to butter
you oughtn't to butter
he oughtn't to butter
we oughtn't to butter
you oughtn't to butter
they oughtn't to butter 	I oughtn't to be buttering
you oughtn't to be buttering
he oughtn't to be buttering
we oughtn't to be buttering
you oughtn't to be buttering
they oughtn't to be buttering	I oughtn't to have buttered
you oughtn't to have buttered
he oughtn't to have buttered
we oughtn't to have buttered
you oughtn't to have buttered
they oughtn't to have buttered	I oughtn't to have been buttering
you oughtn't to have been buttering
he oughtn't to have been buttering
we oughtn't to have been buttering
you oughtn't to have been buttering
they oughtn't to have been buttering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I butter?
ought to you butter?
ought to he butter?
ought to we butter?
ought to you butter?
ought to they butter? 	ought to I be buttering?
ought to you be buttering?
ought to he be buttering?
ought to we be buttering?
ought to you be buttering?
ought to they be buttering? 	ought to I have buttered?
ought to you have buttered?
ought to he have buttered?
ought to we have buttered?
ought to you have buttered?
ought to they have buttered? 	ought to I have been buttering?
ought to you have been buttering?
ought to he have been buttering?
ought to we have been buttering?
ought to you have been buttering?
ought to they have been buttering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to butter?
oughtn't you to butter?
oughtn't he to butter?
oughtn't we to butter?
oughtn't you to butter?
oughtn't they to butter? 	oughtn't I to be buttering?
oughtn't you to be buttering?
oughtn't he to be buttering?
oughtn't we to be buttering?
oughtn't you to be buttering?
oughtn't they to be buttering? 	oughtn't I to have buttered?
oughtn't you to have buttered?
oughtn't he to have buttered?
oughtn't we to have buttered?
oughtn't you to have buttered?
oughtn't they to have buttered? 	oughtn't I to have been buttering?
oughtn't you to have been buttering?
oughtn't he to have been buttering?
oughtn't we to have been buttering?
oughtn't you to have been buttering?
oughtn't they to have been buttering?