ought to furrow
Regular verb: furrow - furrowed- furrowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to furrow
you ought to furrow
she ought to furrow
we ought to furrow
you ought to furrow
they ought to furrow 	I ought to be furrowing
you ought to be furrowing
she ought to be furrowing
we ought to be furrowing
you ought to be furrowing
they ought to be furrowing	I ought to have furrowed
you ought to have furrowed
she ought to have furrowed
we ought to have furrowed
you ought to have furrowed
they ought to have furrowed	I ought to have been furrowing
you ought to have been furrowing
she ought to have been furrowing
we ought to have been furrowing
you ought to have been furrowing
they ought to have been furrowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to furrow
you oughtn't to furrow
she oughtn't to furrow
we oughtn't to furrow
you oughtn't to furrow
they oughtn't to furrow 	I oughtn't to be furrowing
you oughtn't to be furrowing
she oughtn't to be furrowing
we oughtn't to be furrowing
you oughtn't to be furrowing
they oughtn't to be furrowing	I oughtn't to have furrowed
you oughtn't to have furrowed
she oughtn't to have furrowed
we oughtn't to have furrowed
you oughtn't to have furrowed
they oughtn't to have furrowed	I oughtn't to have been furrowing
you oughtn't to have been furrowing
she oughtn't to have been furrowing
we oughtn't to have been furrowing
you oughtn't to have been furrowing
they oughtn't to have been furrowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I furrow?
ought to you furrow?
ought to she furrow?
ought to we furrow?
ought to you furrow?
ought to they furrow? 	ought to I be furrowing?
ought to you be furrowing?
ought to she be furrowing?
ought to we be furrowing?
ought to you be furrowing?
ought to they be furrowing? 	ought to I have furrowed?
ought to you have furrowed?
ought to she have furrowed?
ought to we have furrowed?
ought to you have furrowed?
ought to they have furrowed? 	ought to I have been furrowing?
ought to you have been furrowing?
ought to she have been furrowing?
ought to we have been furrowing?
ought to you have been furrowing?
ought to they have been furrowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to furrow?
oughtn't you to furrow?
oughtn't she to furrow?
oughtn't we to furrow?
oughtn't you to furrow?
oughtn't they to furrow? 	oughtn't I to be furrowing?
oughtn't you to be furrowing?
oughtn't she to be furrowing?
oughtn't we to be furrowing?
oughtn't you to be furrowing?
oughtn't they to be furrowing? 	oughtn't I to have furrowed?
oughtn't you to have furrowed?
oughtn't she to have furrowed?
oughtn't we to have furrowed?
oughtn't you to have furrowed?
oughtn't they to have furrowed? 	oughtn't I to have been furrowing?
oughtn't you to have been furrowing?
oughtn't she to have been furrowing?
oughtn't we to have been furrowing?
oughtn't you to have been furrowing?
oughtn't they to have been furrowing?