I ought to desalinate you ought to desalinate he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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?