I ought to rat you ought to rat she ought to rat we ought to rat you ought to rat they ought to rat
V-ing form
I ought to be ratting you ought to be ratting she ought to be ratting we ought to be ratting you ought to be ratting they ought to be ratting
Perfect
I ought to have ratted you ought to have ratted she ought to have ratted we ought to have ratted you ought to have ratted they ought to have ratted
V-ing perfect
I ought to have been ratting you ought to have been ratting she ought to have been ratting we ought to have been ratting you ought to have been ratting they ought to have been ratting
Negation
Simple form
I ought not to rat you ought not to rat she ought not to rat we ought not to rat you ought not to rat they ought not to rat
V-ing form
I ought not to ratting you ought not to ratting she ought not to ratting we ought not to ratting you ought not to ratting they ought not to ratting
Perfect
I ought not to have ratted you ought not to have ratted she ought not to have ratted we ought not to have ratted you ought not to have ratted they ought not to have ratted
V-ing perfect
I ought not to have been ratting you ought not to have been ratting she ought not to have been ratting we ought not to have been ratting you ought not to have been ratting they ought not to have been ratting
Interrogative form
Simple form
ought to I rat? ought to you rat? ought to she rat? ought to we rat? ought to you rat? ought to they rat?
V-ing form
ought to I be ratting? ought to you be ratting? ought to she be ratting? ought to we be ratting? ought to you be ratting? ought to they be ratting?
Perfect
ought to I have ratted? ought to you have ratted? ought to she have ratted? ought to we have ratted? ought to you have ratted? ought to they have ratted?
V-ing perfect
ought to I have been ratting? ought to you have been ratting? ought to she have been ratting? ought to we have been ratting? ought to you have been ratting? ought to they have been ratting?
Interro-negative form
Simple form
ought I not to rat? ought you not to rat? ought she not to rat? ought we not to rat? ought you not to rat? ought they not to rat?
V-ing form
ought I not to be ratting? ought you not to be ratting? ought she not to be ratting? ought we not to be ratting? ought you not to be ratting? ought they not to be ratting?
Perfect
ought I not to have ratted? ought you not to have ratted? ought she not to have ratted? ought we not to have ratted? ought you not to have ratted? ought they not to have ratted?
V-ing perfect
ought I not to have been ratting? ought you not to have been ratting? ought she not to have been ratting? ought we not to have been ratting? ought you not to have been ratting? ought they not to have been ratting?