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 oughtn't to muss you oughtn't to muss she oughtn't to muss we oughtn't to muss you oughtn't to muss they oughtn't to muss
V-ing form
I oughtn't to be mussing you oughtn't to be mussing she oughtn't to be mussing we oughtn't to be mussing you oughtn't to be mussing they oughtn't to be mussing
Perfect
I oughtn't to have mussed you oughtn't to have mussed she oughtn't to have mussed we oughtn't to have mussed you oughtn't to have mussed they oughtn't to have mussed
V-ing perfect
I oughtn't to have been mussing you oughtn't to have been mussing she oughtn't to have been mussing we oughtn't to have been mussing you oughtn't to have been mussing they oughtn't 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
oughtn't I to muss? oughtn't you to muss? oughtn't she to muss? oughtn't we to muss? oughtn't you to muss? oughtn't they to muss?
V-ing form
oughtn't I to be mussing? oughtn't you to be mussing? oughtn't she to be mussing? oughtn't we to be mussing? oughtn't you to be mussing? oughtn't they to be mussing?
Perfect
oughtn't I to have mussed? oughtn't you to have mussed? oughtn't she to have mussed? oughtn't we to have mussed? oughtn't you to have mussed? oughtn't they to have mussed?
V-ing perfect
oughtn't I to have been mussing? oughtn't you to have been mussing? oughtn't she to have been mussing? oughtn't we to have been mussing? oughtn't you to have been mussing? oughtn't they to have been mussing?