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
she 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
she 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
she 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
she 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 ought not to open
you ought not to open
she ought not to open
we ought not to open
you ought not to open
they ought not to open 	I ought not to opening
you ought not to opening
she ought not to opening
we ought not to opening
you ought not to opening
they ought not to opening	I ought not to have opened
you ought not to have opened
she ought not to have opened
we ought not to have opened
you ought not to have opened
they ought not to have opened	I ought not to have been opening
you ought not to have been opening
she ought not to have been opening
we ought not to have been opening
you ought not to have been opening
they ought not 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 she 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 she 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 she 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 she 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 	
ought I not to open?
ought you not to open?
ought she not to open?
ought we not to open?
ought you not to open?
ought they not to open? 	ought I not to be opening?
ought you not to be opening?
ought she not to be opening?
ought we not to be opening?
ought you not to be opening?
ought they not to be opening? 	ought I not to have opened?
ought you not to have opened?
ought she not to have opened?
ought we not to have opened?
ought you not to have opened?
ought they not to have opened? 	ought I not to have been opening?
ought you not to have been opening?
ought she not to have been opening?
ought we not to have been opening?
ought you not to have been opening?
ought they not to have been opening?