English verb conjugation
COULD GRATIFY

Regular verb: gratify - gratified - gratified

Affirmation

Simple form	V-ing form
I could gratify you could gratify he could gratify we could gratify you could gratify they could gratify	I could be gratifying you could be gratifying he could be gratifying we could be gratifying you could be gratifying they could be gratifying
Perfect	V-ing perfect
I could have gratified you could have gratified he could have gratified we could have gratified you could have gratified they could have gratified	I could have been gratifying you could have been gratifying he could have been gratifying we could have been gratifying you could have been gratifying they could have been gratifying

Negation

Simple form	V-ing form
I could not gratify you could not gratify he could not gratify we could not gratify you could not gratify they could not gratify	I could not be gratifying you could not be gratifying he could not be gratifying we could not be gratifying you could not be gratifying they could not be gratifying
Perfect	V-ing perfect
I could not have gratified you could not have gratified he could not have gratified we could not have gratified you could not have gratified they could not have gratified	I could not have been gratifying you could not have been gratifying he could not have been gratifying we could not have been gratifying you could not have been gratifying they could not have been gratifying

Interrogative form

Simple form	V-ing form
could I gratify? could you gratify? could he gratify? could we gratify? could you gratify? could they gratify?	could I be gratifying? could you be gratifying? could he be gratifying? could we be gratifying? could you be gratifying? could they be gratifying?
Perfect	V-ing perfect
could I have gratified? could you have gratified? could he have gratified? could we have gratified? could you have gratified? could they have gratified?	could I have been gratifying? could you have been gratifying? could he have been gratifying? could we have been gratifying? could you have been gratifying? could they have been gratifying?

Interro-negative form

Simple form	V-ing form
could I not gratify? could you not gratify? could he not gratify? could we not gratify? could you not gratify? could they not gratify?	could I not be gratifying? could you not be gratifying? could he not be gratifying? could we not be gratifying? could you not be gratifying? could they not be gratifying?
Perfect	V-ing perfect
could I not have gratified? could you not have gratified? could he not have gratified? could we not have gratified? could you not have gratified? could they not have gratified?	could I not have been gratifying? could you not have been gratifying? could he not have been gratifying? could we not have been gratifying? could you not have been gratifying? could they not have been gratifying?