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