English verb conjugation
COULD REHYDRATE

Regular verb: rehydrate - rehydrated - rehydrated

Affirmation

Simple form	V-ing form
I could rehydrate you could rehydrate he could rehydrate we could rehydrate you could rehydrate they could rehydrate	I could be rehydrating you could be rehydrating he could be rehydrating we could be rehydrating you could be rehydrating they could be rehydrating
Perfect	V-ing perfect
I could have rehydrated you could have rehydrated he could have rehydrated we could have rehydrated you could have rehydrated they could have rehydrated	I could have been rehydrating you could have been rehydrating he could have been rehydrating we could have been rehydrating you could have been rehydrating they could have been rehydrating

Negation

Simple form	V-ing form
I could not rehydrate you could not rehydrate he could not rehydrate we could not rehydrate you could not rehydrate they could not rehydrate	I could not be rehydrating you could not be rehydrating he could not be rehydrating we could not be rehydrating you could not be rehydrating they could not be rehydrating
Perfect	V-ing perfect
I could not have rehydrated you could not have rehydrated he could not have rehydrated we could not have rehydrated you could not have rehydrated they could not have rehydrated	I could not have been rehydrating you could not have been rehydrating he could not have been rehydrating we could not have been rehydrating you could not have been rehydrating they could not have been rehydrating

Interrogative form

Simple form	V-ing form
could I rehydrate? could you rehydrate? could he rehydrate? could we rehydrate? could you rehydrate? could they rehydrate?	could I be rehydrating? could you be rehydrating? could he be rehydrating? could we be rehydrating? could you be rehydrating? could they be rehydrating?
Perfect	V-ing perfect
could I have rehydrated? could you have rehydrated? could he have rehydrated? could we have rehydrated? could you have rehydrated? could they have rehydrated?	could I have been rehydrating? could you have been rehydrating? could he have been rehydrating? could we have been rehydrating? could you have been rehydrating? could they have been rehydrating?

Interro-negative form

Simple form	V-ing form
could I not rehydrate? could you not rehydrate? could he not rehydrate? could we not rehydrate? could you not rehydrate? could they not rehydrate?	could I not be rehydrating? could you not be rehydrating? could he not be rehydrating? could we not be rehydrating? could you not be rehydrating? could they not be rehydrating?
Perfect	V-ing perfect
could I not have rehydrated? could you not have rehydrated? could he not have rehydrated? could we not have rehydrated? could you not have rehydrated? could they not have rehydrated?	could I not have been rehydrating? could you not have been rehydrating? could he not have been rehydrating? could we not have been rehydrating? could you not have been rehydrating? could they not have been rehydrating?