I ought to muss you ought to muss she ought to muss we ought to muss you ought to muss they ought to muss
V-ing form
I ought to be mussing you ought to be mussing she ought to be mussing we ought to be mussing you ought to be mussing they ought to be mussing
Perfect
I ought to have mussed you ought to have mussed she ought to have mussed we ought to have mussed you ought to have mussed they ought to have mussed
V-ing perfect
I ought to have been mussing you ought to have been mussing she ought to have been mussing we ought to have been mussing you ought to have been mussing they ought to have been mussing
Negation
Simple form
I ought not to muss you ought not to muss she ought not to muss we ought not to muss you ought not to muss they ought not to muss
V-ing form
I ought not to mussing you ought not to mussing she ought not to mussing we ought not to mussing you ought not to mussing they ought not to mussing
Perfect
I ought not to have mussed you ought not to have mussed she ought not to have mussed we ought not to have mussed you ought not to have mussed they ought not to have mussed
V-ing perfect
I ought not to have been mussing you ought not to have been mussing she ought not to have been mussing we ought not to have been mussing you ought not to have been mussing they ought not to have been mussing
Interrogative form
Simple form
ought to I muss? ought to you muss? ought to she muss? ought to we muss? ought to you muss? ought to they muss?
V-ing form
ought to I be mussing? ought to you be mussing? ought to she be mussing? ought to we be mussing? ought to you be mussing? ought to they be mussing?
Perfect
ought to I have mussed? ought to you have mussed? ought to she have mussed? ought to we have mussed? ought to you have mussed? ought to they have mussed?
V-ing perfect
ought to I have been mussing? ought to you have been mussing? ought to she have been mussing? ought to we have been mussing? ought to you have been mussing? ought to they have been mussing?
Interro-negative form
Simple form
ought I not to muss? ought you not to muss? ought she not to muss? ought we not to muss? ought you not to muss? ought they not to muss?
V-ing form
ought I not to be mussing? ought you not to be mussing? ought she not to be mussing? ought we not to be mussing? ought you not to be mussing? ought they not to be mussing?
Perfect
ought I not to have mussed? ought you not to have mussed? ought she not to have mussed? ought we not to have mussed? ought you not to have mussed? ought they not to have mussed?
V-ing perfect
ought I not to have been mussing? ought you not to have been mussing? ought she not to have been mussing? ought we not to have been mussing? ought you not to have been mussing? ought they not to have been mussing?