English verb conjugation
COULD DERIDE

Regular verb: deride - derided - derided

Affirmation

Simple form	V-ing form
I could deride you could deride he could deride we could deride you could deride they could deride	I could be deriding you could be deriding he could be deriding we could be deriding you could be deriding they could be deriding
Perfect	V-ing perfect
I could have derided you could have derided he could have derided we could have derided you could have derided they could have derided	I could have been deriding you could have been deriding he could have been deriding we could have been deriding you could have been deriding they could have been deriding

Negation

Simple form	V-ing form
I could not deride you could not deride he could not deride we could not deride you could not deride they could not deride	I could not be deriding you could not be deriding he could not be deriding we could not be deriding you could not be deriding they could not be deriding
Perfect	V-ing perfect
I could not have derided you could not have derided he could not have derided we could not have derided you could not have derided they could not have derided	I could not have been deriding you could not have been deriding he could not have been deriding we could not have been deriding you could not have been deriding they could not have been deriding

Interrogative form

Simple form	V-ing form
could I deride? could you deride? could he deride? could we deride? could you deride? could they deride?	could I be deriding? could you be deriding? could he be deriding? could we be deriding? could you be deriding? could they be deriding?
Perfect	V-ing perfect
could I have derided? could you have derided? could he have derided? could we have derided? could you have derided? could they have derided?	could I have been deriding? could you have been deriding? could he have been deriding? could we have been deriding? could you have been deriding? could they have been deriding?

Interro-negative form

Simple form	V-ing form
could I not deride? could you not deride? could he not deride? could we not deride? could you not deride? could they not deride?	could I not be deriding? could you not be deriding? could he not be deriding? could we not be deriding? could you not be deriding? could they not be deriding?
Perfect	V-ing perfect
could I not have derided? could you not have derided? could he not have derided? could we not have derided? could you not have derided? could they not have derided?	could I not have been deriding? could you not have been deriding? could he not have been deriding? could we not have been deriding? could you not have been deriding? could they not have been deriding?