ought to open
Regular verb: open - opened- opened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to open
you ought to open
he ought to open
we ought to open
you ought to open
they ought to open 	I ought to be opening
you ought to be opening
he ought to be opening
we ought to be opening
you ought to be opening
they ought to be opening	I ought to have opened
you ought to have opened
he ought to have opened
we ought to have opened
you ought to have opened
they ought to have opened	I ought to have been opening
you ought to have been opening
he ought to have been opening
we ought to have been opening
you ought to have been opening
they ought to have been opening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to open
you oughtn't to open
he oughtn't to open
we oughtn't to open
you oughtn't to open
they oughtn't to open 	I oughtn't to be opening
you oughtn't to be opening
he oughtn't to be opening
we oughtn't to be opening
you oughtn't to be opening
they oughtn't to be opening	I oughtn't to have opened
you oughtn't to have opened
he oughtn't to have opened
we oughtn't to have opened
you oughtn't to have opened
they oughtn't to have opened	I oughtn't to have been opening
you oughtn't to have been opening
he oughtn't to have been opening
we oughtn't to have been opening
you oughtn't to have been opening
they oughtn't to have been opening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I open?
ought to you open?
ought to he open?
ought to we open?
ought to you open?
ought to they open? 	ought to I be opening?
ought to you be opening?
ought to he be opening?
ought to we be opening?
ought to you be opening?
ought to they be opening? 	ought to I have opened?
ought to you have opened?
ought to he have opened?
ought to we have opened?
ought to you have opened?
ought to they have opened? 	ought to I have been opening?
ought to you have been opening?
ought to he have been opening?
ought to we have been opening?
ought to you have been opening?
ought to they have been opening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to open?
oughtn't you to open?
oughtn't he to open?
oughtn't we to open?
oughtn't you to open?
oughtn't they to open? 	oughtn't I to be opening?
oughtn't you to be opening?
oughtn't he to be opening?
oughtn't we to be opening?
oughtn't you to be opening?
oughtn't they to be opening? 	oughtn't I to have opened?
oughtn't you to have opened?
oughtn't he to have opened?
oughtn't we to have opened?
oughtn't you to have opened?
oughtn't they to have opened? 	oughtn't I to have been opening?
oughtn't you to have been opening?
oughtn't he to have been opening?
oughtn't we to have been opening?
oughtn't you to have been opening?
oughtn't they to have been opening?