English verb conjugation
COULD GEAR

Regular verb: gear - geared - geared

Affirmation

Simple form	V-ing form
I could gear you could gear he could gear we could gear you could gear they could gear	I could be gearing you could be gearing he could be gearing we could be gearing you could be gearing they could be gearing
Perfect	V-ing perfect
I could have geared you could have geared he could have geared we could have geared you could have geared they could have geared	I could have been gearing you could have been gearing he could have been gearing we could have been gearing you could have been gearing they could have been gearing

Negation

Simple form	V-ing form
I could not gear you could not gear he could not gear we could not gear you could not gear they could not gear	I could not be gearing you could not be gearing he could not be gearing we could not be gearing you could not be gearing they could not be gearing
Perfect	V-ing perfect
I could not have geared you could not have geared he could not have geared we could not have geared you could not have geared they could not have geared	I could not have been gearing you could not have been gearing he could not have been gearing we could not have been gearing you could not have been gearing they could not have been gearing

Interrogative form

Simple form	V-ing form
could I gear? could you gear? could he gear? could we gear? could you gear? could they gear?	could I be gearing? could you be gearing? could he be gearing? could we be gearing? could you be gearing? could they be gearing?
Perfect	V-ing perfect
could I have geared? could you have geared? could he have geared? could we have geared? could you have geared? could they have geared?	could I have been gearing? could you have been gearing? could he have been gearing? could we have been gearing? could you have been gearing? could they have been gearing?

Interro-negative form

Simple form	V-ing form
could I not gear? could you not gear? could he not gear? could we not gear? could you not gear? could they not gear?	could I not be gearing? could you not be gearing? could he not be gearing? could we not be gearing? could you not be gearing? could they not be gearing?
Perfect	V-ing perfect
could I not have geared? could you not have geared? could he not have geared? could we not have geared? could you not have geared? could they not have geared?	could I not have been gearing? could you not have been gearing? could he not have been gearing? could we not have been gearing? could you not have been gearing? could they not have been gearing?