English verb conjugation
COULD OUTSPARKLE

Regular verb: outsparkle - outsparkled - outsparkled

Affirmation

Simple form	V-ing form
I could outsparkle you could outsparkle he could outsparkle we could outsparkle you could outsparkle they could outsparkle	I could be outsparkling you could be outsparkling he could be outsparkling we could be outsparkling you could be outsparkling they could be outsparkling
Perfect	V-ing perfect
I could have outsparkled you could have outsparkled he could have outsparkled we could have outsparkled you could have outsparkled they could have outsparkled	I could have been outsparkling you could have been outsparkling he could have been outsparkling we could have been outsparkling you could have been outsparkling they could have been outsparkling

Negation

Simple form	V-ing form
I could not outsparkle you could not outsparkle he could not outsparkle we could not outsparkle you could not outsparkle they could not outsparkle	I could not be outsparkling you could not be outsparkling he could not be outsparkling we could not be outsparkling you could not be outsparkling they could not be outsparkling
Perfect	V-ing perfect
I could not have outsparkled you could not have outsparkled he could not have outsparkled we could not have outsparkled you could not have outsparkled they could not have outsparkled	I could not have been outsparkling you could not have been outsparkling he could not have been outsparkling we could not have been outsparkling you could not have been outsparkling they could not have been outsparkling

Interrogative form

Simple form	V-ing form
could I outsparkle? could you outsparkle? could he outsparkle? could we outsparkle? could you outsparkle? could they outsparkle?	could I be outsparkling? could you be outsparkling? could he be outsparkling? could we be outsparkling? could you be outsparkling? could they be outsparkling?
Perfect	V-ing perfect
could I have outsparkled? could you have outsparkled? could he have outsparkled? could we have outsparkled? could you have outsparkled? could they have outsparkled?	could I have been outsparkling? could you have been outsparkling? could he have been outsparkling? could we have been outsparkling? could you have been outsparkling? could they have been outsparkling?

Interro-negative form

Simple form	V-ing form
could I not outsparkle? could you not outsparkle? could he not outsparkle? could we not outsparkle? could you not outsparkle? could they not outsparkle?	could I not be outsparkling? could you not be outsparkling? could he not be outsparkling? could we not be outsparkling? could you not be outsparkling? could they not be outsparkling?
Perfect	V-ing perfect
could I not have outsparkled? could you not have outsparkled? could he not have outsparkled? could we not have outsparkled? could you not have outsparkled? could they not have outsparkled?	could I not have been outsparkling? could you not have been outsparkling? could he not have been outsparkling? could we not have been outsparkling? could you not have been outsparkling? could they not have been outsparkling?