I ought to combat you ought to combat he ought to combat we ought to combat you ought to combat they ought to combat
V-ing form
I ought to be combating you ought to be combating he ought to be combating we ought to be combating you ought to be combating they ought to be combating
Perfect
I ought to have combated you ought to have combated he ought to have combated we ought to have combated you ought to have combated they ought to have combated
V-ing perfect
I ought to have been combating you ought to have been combating he ought to have been combating we ought to have been combating you ought to have been combating they ought to have been combating
Negation
Simple form
I oughtn't to combat you oughtn't to combat he oughtn't to combat we oughtn't to combat you oughtn't to combat they oughtn't to combat
V-ing form
I oughtn't to be combating you oughtn't to be combating he oughtn't to be combating we oughtn't to be combating you oughtn't to be combating they oughtn't to be combating
Perfect
I oughtn't to have combated you oughtn't to have combated he oughtn't to have combated we oughtn't to have combated you oughtn't to have combated they oughtn't to have combated
V-ing perfect
I oughtn't to have been combating you oughtn't to have been combating he oughtn't to have been combating we oughtn't to have been combating you oughtn't to have been combating they oughtn't to have been combating
Interrogative form
Simple form
ought to I combat? ought to you combat? ought to he combat? ought to we combat? ought to you combat? ought to they combat?
V-ing form
ought to I be combating? ought to you be combating? ought to he be combating? ought to we be combating? ought to you be combating? ought to they be combating?
Perfect
ought to I have combated? ought to you have combated? ought to he have combated? ought to we have combated? ought to you have combated? ought to they have combated?
V-ing perfect
ought to I have been combating? ought to you have been combating? ought to he have been combating? ought to we have been combating? ought to you have been combating? ought to they have been combating?
Interro-negative form
Simple form
oughtn't I to combat? oughtn't you to combat? oughtn't he to combat? oughtn't we to combat? oughtn't you to combat? oughtn't they to combat?
V-ing form
oughtn't I to be combating? oughtn't you to be combating? oughtn't he to be combating? oughtn't we to be combating? oughtn't you to be combating? oughtn't they to be combating?
Perfect
oughtn't I to have combated? oughtn't you to have combated? oughtn't he to have combated? oughtn't we to have combated? oughtn't you to have combated? oughtn't they to have combated?
V-ing perfect
oughtn't I to have been combating? oughtn't you to have been combating? oughtn't he to have been combating? oughtn't we to have been combating? oughtn't you to have been combating? oughtn't they to have been combating?