I could desalinate you could desalinate he could desalinate we could desalinate you could desalinate they could desalinate
V-ing form
I could be desalinating you could be desalinating he could be desalinating we could be desalinating you could be desalinating they could be desalinating
Perfect
I could have desalinated you could have desalinated he could have desalinated we could have desalinated you could have desalinated they could have desalinated
V-ing perfect
I could have been desalinating you could have been desalinating he could have been desalinating we could have been desalinating you could have been desalinating they could have been desalinating
Negation
Simple form
I could not desalinate you could not desalinate he could not desalinate we could not desalinate you could not desalinate they could not desalinate
V-ing form
I could not be desalinating you could not be desalinating he could not be desalinating we could not be desalinating you could not be desalinating they could not be desalinating
Perfect
I could not have desalinated you could not have desalinated he could not have desalinated we could not have desalinated you could not have desalinated they could not have desalinated
V-ing perfect
I could not have been desalinating you could not have been desalinating he could not have been desalinating we could not have been desalinating you could not have been desalinating they could not have been desalinating
Interrogative form
Simple form
could I desalinate? could you desalinate? could he desalinate? could we desalinate? could you desalinate? could they desalinate?
V-ing form
could I be desalinating? could you be desalinating? could he be desalinating? could we be desalinating? could you be desalinating? could they be desalinating?
Perfect
could I have desalinated? could you have desalinated? could he have desalinated? could we have desalinated? could you have desalinated? could they have desalinated?
V-ing perfect
could I have been desalinating? could you have been desalinating? could he have been desalinating? could we have been desalinating? could you have been desalinating? could they have been desalinating?
Interro-negative form
Simple form
could I not desalinate? could you not desalinate? could he not desalinate? could we not desalinate? could you not desalinate? could they not desalinate?
V-ing form
could I not be desalinating? could you not be desalinating? could he not be desalinating? could we not be desalinating? could you not be desalinating? could they not be desalinating?
Perfect
could I not have desalinated? could you not have desalinated? could he not have desalinated? could we not have desalinated? could you not have desalinated? could they not have desalinated?
V-ing perfect
could I not have been desalinating? could you not have been desalinating? could he not have been desalinating? could we not have been desalinating? could you not have been desalinating? could they not have been desalinating?