ought to crease
Regular verb: crease - creased- creased

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to crease
you ought to crease
he ought to crease
we ought to crease
you ought to crease
they ought to crease 	I ought to be creasing
you ought to be creasing
he ought to be creasing
we ought to be creasing
you ought to be creasing
they ought to be creasing	I ought to have creased
you ought to have creased
he ought to have creased
we ought to have creased
you ought to have creased
they ought to have creased	I ought to have been creasing
you ought to have been creasing
he ought to have been creasing
we ought to have been creasing
you ought to have been creasing
they ought to have been creasing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to crease
you oughtn't to crease
he oughtn't to crease
we oughtn't to crease
you oughtn't to crease
they oughtn't to crease 	I oughtn't to be creasing
you oughtn't to be creasing
he oughtn't to be creasing
we oughtn't to be creasing
you oughtn't to be creasing
they oughtn't to be creasing	I oughtn't to have creased
you oughtn't to have creased
he oughtn't to have creased
we oughtn't to have creased
you oughtn't to have creased
they oughtn't to have creased	I oughtn't to have been creasing
you oughtn't to have been creasing
he oughtn't to have been creasing
we oughtn't to have been creasing
you oughtn't to have been creasing
they oughtn't to have been creasing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I crease?
ought to you crease?
ought to he crease?
ought to we crease?
ought to you crease?
ought to they crease? 	ought to I be creasing?
ought to you be creasing?
ought to he be creasing?
ought to we be creasing?
ought to you be creasing?
ought to they be creasing? 	ought to I have creased?
ought to you have creased?
ought to he have creased?
ought to we have creased?
ought to you have creased?
ought to they have creased? 	ought to I have been creasing?
ought to you have been creasing?
ought to he have been creasing?
ought to we have been creasing?
ought to you have been creasing?
ought to they have been creasing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to crease?
oughtn't you to crease?
oughtn't he to crease?
oughtn't we to crease?
oughtn't you to crease?
oughtn't they to crease? 	oughtn't I to be creasing?
oughtn't you to be creasing?
oughtn't he to be creasing?
oughtn't we to be creasing?
oughtn't you to be creasing?
oughtn't they to be creasing? 	oughtn't I to have creased?
oughtn't you to have creased?
oughtn't he to have creased?
oughtn't we to have creased?
oughtn't you to have creased?
oughtn't they to have creased? 	oughtn't I to have been creasing?
oughtn't you to have been creasing?
oughtn't he to have been creasing?
oughtn't we to have been creasing?
oughtn't you to have been creasing?
oughtn't they to have been creasing?