English verb conjugation
COULD SKYROCKET

Regular verb: skyrocket - skyrocketed - skyrocketed

Affirmation

Simple form	V-ing form
I could skyrocket you could skyrocket he could skyrocket we could skyrocket you could skyrocket they could skyrocket	I could be skyrocketing you could be skyrocketing he could be skyrocketing we could be skyrocketing you could be skyrocketing they could be skyrocketing
Perfect	V-ing perfect
I could have skyrocketed you could have skyrocketed he could have skyrocketed we could have skyrocketed you could have skyrocketed they could have skyrocketed	I could have been skyrocketing you could have been skyrocketing he could have been skyrocketing we could have been skyrocketing you could have been skyrocketing they could have been skyrocketing

Negation

Simple form	V-ing form
I could not skyrocket you could not skyrocket he could not skyrocket we could not skyrocket you could not skyrocket they could not skyrocket	I could not be skyrocketing you could not be skyrocketing he could not be skyrocketing we could not be skyrocketing you could not be skyrocketing they could not be skyrocketing
Perfect	V-ing perfect
I could not have skyrocketed you could not have skyrocketed he could not have skyrocketed we could not have skyrocketed you could not have skyrocketed they could not have skyrocketed	I could not have been skyrocketing you could not have been skyrocketing he could not have been skyrocketing we could not have been skyrocketing you could not have been skyrocketing they could not have been skyrocketing

Interrogative form

Simple form	V-ing form
could I skyrocket? could you skyrocket? could he skyrocket? could we skyrocket? could you skyrocket? could they skyrocket?	could I be skyrocketing? could you be skyrocketing? could he be skyrocketing? could we be skyrocketing? could you be skyrocketing? could they be skyrocketing?
Perfect	V-ing perfect
could I have skyrocketed? could you have skyrocketed? could he have skyrocketed? could we have skyrocketed? could you have skyrocketed? could they have skyrocketed?	could I have been skyrocketing? could you have been skyrocketing? could he have been skyrocketing? could we have been skyrocketing? could you have been skyrocketing? could they have been skyrocketing?

Interro-negative form

Simple form	V-ing form
could I not skyrocket? could you not skyrocket? could he not skyrocket? could we not skyrocket? could you not skyrocket? could they not skyrocket?	could I not be skyrocketing? could you not be skyrocketing? could he not be skyrocketing? could we not be skyrocketing? could you not be skyrocketing? could they not be skyrocketing?
Perfect	V-ing perfect
could I not have skyrocketed? could you not have skyrocketed? could he not have skyrocketed? could we not have skyrocketed? could you not have skyrocketed? could they not have skyrocketed?	could I not have been skyrocketing? could you not have been skyrocketing? could he not have been skyrocketing? could we not have been skyrocketing? could you not have been skyrocketing? could they not have been skyrocketing?