ought to spur
Regular verb: spur - spurred- spurred

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to spur
you ought to spur
he ought to spur
we ought to spur
you ought to spur
they ought to spur 	I ought to be spurring
you ought to be spurring
he ought to be spurring
we ought to be spurring
you ought to be spurring
they ought to be spurring	I ought to have spurred
you ought to have spurred
he ought to have spurred
we ought to have spurred
you ought to have spurred
they ought to have spurred	I ought to have been spurring
you ought to have been spurring
he ought to have been spurring
we ought to have been spurring
you ought to have been spurring
they ought to have been spurring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to spur
you oughtn't to spur
he oughtn't to spur
we oughtn't to spur
you oughtn't to spur
they oughtn't to spur 	I oughtn't to be spurring
you oughtn't to be spurring
he oughtn't to be spurring
we oughtn't to be spurring
you oughtn't to be spurring
they oughtn't to be spurring	I oughtn't to have spurred
you oughtn't to have spurred
he oughtn't to have spurred
we oughtn't to have spurred
you oughtn't to have spurred
they oughtn't to have spurred	I oughtn't to have been spurring
you oughtn't to have been spurring
he oughtn't to have been spurring
we oughtn't to have been spurring
you oughtn't to have been spurring
they oughtn't to have been spurring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I spur?
ought to you spur?
ought to he spur?
ought to we spur?
ought to you spur?
ought to they spur? 	ought to I be spurring?
ought to you be spurring?
ought to he be spurring?
ought to we be spurring?
ought to you be spurring?
ought to they be spurring? 	ought to I have spurred?
ought to you have spurred?
ought to he have spurred?
ought to we have spurred?
ought to you have spurred?
ought to they have spurred? 	ought to I have been spurring?
ought to you have been spurring?
ought to he have been spurring?
ought to we have been spurring?
ought to you have been spurring?
ought to they have been spurring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to spur?
oughtn't you to spur?
oughtn't he to spur?
oughtn't we to spur?
oughtn't you to spur?
oughtn't they to spur? 	oughtn't I to be spurring?
oughtn't you to be spurring?
oughtn't he to be spurring?
oughtn't we to be spurring?
oughtn't you to be spurring?
oughtn't they to be spurring? 	oughtn't I to have spurred?
oughtn't you to have spurred?
oughtn't he to have spurred?
oughtn't we to have spurred?
oughtn't you to have spurred?
oughtn't they to have spurred? 	oughtn't I to have been spurring?
oughtn't you to have been spurring?
oughtn't he to have been spurring?
oughtn't we to have been spurring?
oughtn't you to have been spurring?
oughtn't they to have been spurring?