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