English verb conjugation
COULD OVERGRATIFY

Regular verb: overgratify - overgratified - overgratified

Affirmation

Simple form	V-ing form
I could overgratify you could overgratify he could overgratify we could overgratify you could overgratify they could overgratify	I could be overgratifying you could be overgratifying he could be overgratifying we could be overgratifying you could be overgratifying they could be overgratifying
Perfect	V-ing perfect
I could have overgratified you could have overgratified he could have overgratified we could have overgratified you could have overgratified they could have overgratified	I could have been overgratifying you could have been overgratifying he could have been overgratifying we could have been overgratifying you could have been overgratifying they could have been overgratifying

Negation

Simple form	V-ing form
I could not overgratify you could not overgratify he could not overgratify we could not overgratify you could not overgratify they could not overgratify	I could not be overgratifying you could not be overgratifying he could not be overgratifying we could not be overgratifying you could not be overgratifying they could not be overgratifying
Perfect	V-ing perfect
I could not have overgratified you could not have overgratified he could not have overgratified we could not have overgratified you could not have overgratified they could not have overgratified	I could not have been overgratifying you could not have been overgratifying he could not have been overgratifying we could not have been overgratifying you could not have been overgratifying they could not have been overgratifying

Interrogative form

Simple form	V-ing form
could I overgratify? could you overgratify? could he overgratify? could we overgratify? could you overgratify? could they overgratify?	could I be overgratifying? could you be overgratifying? could he be overgratifying? could we be overgratifying? could you be overgratifying? could they be overgratifying?
Perfect	V-ing perfect
could I have overgratified? could you have overgratified? could he have overgratified? could we have overgratified? could you have overgratified? could they have overgratified?	could I have been overgratifying? could you have been overgratifying? could he have been overgratifying? could we have been overgratifying? could you have been overgratifying? could they have been overgratifying?

Interro-negative form

Simple form	V-ing form
could I not overgratify? could you not overgratify? could he not overgratify? could we not overgratify? could you not overgratify? could they not overgratify?	could I not be overgratifying? could you not be overgratifying? could he not be overgratifying? could we not be overgratifying? could you not be overgratifying? could they not be overgratifying?
Perfect	V-ing perfect
could I not have overgratified? could you not have overgratified? could he not have overgratified? could we not have overgratified? could you not have overgratified? could they not have overgratified?	could I not have been overgratifying? could you not have been overgratifying? could he not have been overgratifying? could we not have been overgratifying? could you not have been overgratifying? could they not have been overgratifying?