I ought to operate you ought to operate she ought to operate we ought to operate you ought to operate they ought to operate
V-ing form
I ought to be operating you ought to be operating she ought to be operating we ought to be operating you ought to be operating they ought to be operating
Perfect
I ought to have operated you ought to have operated she ought to have operated we ought to have operated you ought to have operated they ought to have operated
V-ing perfect
I ought to have been operating you ought to have been operating she ought to have been operating we ought to have been operating you ought to have been operating they ought to have been operating
Negation
Simple form
I ought not to operate you ought not to operate she ought not to operate we ought not to operate you ought not to operate they ought not to operate
V-ing form
I ought not to operating you ought not to operating she ought not to operating we ought not to operating you ought not to operating they ought not to operating
Perfect
I ought not to have operated you ought not to have operated she ought not to have operated we ought not to have operated you ought not to have operated they ought not to have operated
V-ing perfect
I ought not to have been operating you ought not to have been operating she ought not to have been operating we ought not to have been operating you ought not to have been operating they ought not to have been operating
Interrogative form
Simple form
ought to I operate? ought to you operate? ought to she operate? ought to we operate? ought to you operate? ought to they operate?
V-ing form
ought to I be operating? ought to you be operating? ought to she be operating? ought to we be operating? ought to you be operating? ought to they be operating?
Perfect
ought to I have operated? ought to you have operated? ought to she have operated? ought to we have operated? ought to you have operated? ought to they have operated?
V-ing perfect
ought to I have been operating? ought to you have been operating? ought to she have been operating? ought to we have been operating? ought to you have been operating? ought to they have been operating?
Interro-negative form
Simple form
ought I not to operate? ought you not to operate? ought she not to operate? ought we not to operate? ought you not to operate? ought they not to operate?
V-ing form
ought I not to be operating? ought you not to be operating? ought she not to be operating? ought we not to be operating? ought you not to be operating? ought they not to be operating?
Perfect
ought I not to have operated? ought you not to have operated? ought she not to have operated? ought we not to have operated? ought you not to have operated? ought they not to have operated?
V-ing perfect
ought I not to have been operating? ought you not to have been operating? ought she not to have been operating? ought we not to have been operating? ought you not to have been operating? ought they not to have been operating?