I ought to serve you ought to serve she ought to serve we ought to serve you ought to serve they ought to serve
V-ing form
I ought to be serving you ought to be serving she ought to be serving we ought to be serving you ought to be serving they ought to be serving
Perfect
I ought to have served you ought to have served she ought to have served we ought to have served you ought to have served they ought to have served
V-ing perfect
I ought to have been serving you ought to have been serving she ought to have been serving we ought to have been serving you ought to have been serving they ought to have been serving
Negation
Simple form
I oughtn't to serve you oughtn't to serve she oughtn't to serve we oughtn't to serve you oughtn't to serve they oughtn't to serve
V-ing form
I oughtn't to be serving you oughtn't to be serving she oughtn't to be serving we oughtn't to be serving you oughtn't to be serving they oughtn't to be serving
Perfect
I oughtn't to have served you oughtn't to have served she oughtn't to have served we oughtn't to have served you oughtn't to have served they oughtn't to have served
V-ing perfect
I oughtn't to have been serving you oughtn't to have been serving she oughtn't to have been serving we oughtn't to have been serving you oughtn't to have been serving they oughtn't to have been serving
Interrogative form
Simple form
ought to I serve? ought to you serve? ought to she serve? ought to we serve? ought to you serve? ought to they serve?
V-ing form
ought to I be serving? ought to you be serving? ought to she be serving? ought to we be serving? ought to you be serving? ought to they be serving?
Perfect
ought to I have served? ought to you have served? ought to she have served? ought to we have served? ought to you have served? ought to they have served?
V-ing perfect
ought to I have been serving? ought to you have been serving? ought to she have been serving? ought to we have been serving? ought to you have been serving? ought to they have been serving?
Interro-negative form
Simple form
oughtn't I to serve? oughtn't you to serve? oughtn't she to serve? oughtn't we to serve? oughtn't you to serve? oughtn't they to serve?
V-ing form
oughtn't I to be serving? oughtn't you to be serving? oughtn't she to be serving? oughtn't we to be serving? oughtn't you to be serving? oughtn't they to be serving?
Perfect
oughtn't I to have served? oughtn't you to have served? oughtn't she to have served? oughtn't we to have served? oughtn't you to have served? oughtn't they to have served?
V-ing perfect
oughtn't I to have been serving? oughtn't you to have been serving? oughtn't she to have been serving? oughtn't we to have been serving? oughtn't you to have been serving? oughtn't they to have been serving?