English verb conjugation
COULD TURBOCHARGE

Regular verb: turbocharge - turbocharged - turbocharged

Affirmation

Simple form	V-ing form
I could turbocharge you could turbocharge he could turbocharge we could turbocharge you could turbocharge they could turbocharge	I could be turbocharging you could be turbocharging he could be turbocharging we could be turbocharging you could be turbocharging they could be turbocharging
Perfect	V-ing perfect
I could have turbocharged you could have turbocharged he could have turbocharged we could have turbocharged you could have turbocharged they could have turbocharged	I could have been turbocharging you could have been turbocharging he could have been turbocharging we could have been turbocharging you could have been turbocharging they could have been turbocharging

Negation

Simple form	V-ing form
I could not turbocharge you could not turbocharge he could not turbocharge we could not turbocharge you could not turbocharge they could not turbocharge	I could not be turbocharging you could not be turbocharging he could not be turbocharging we could not be turbocharging you could not be turbocharging they could not be turbocharging
Perfect	V-ing perfect
I could not have turbocharged you could not have turbocharged he could not have turbocharged we could not have turbocharged you could not have turbocharged they could not have turbocharged	I could not have been turbocharging you could not have been turbocharging he could not have been turbocharging we could not have been turbocharging you could not have been turbocharging they could not have been turbocharging

Interrogative form

Simple form	V-ing form
could I turbocharge? could you turbocharge? could he turbocharge? could we turbocharge? could you turbocharge? could they turbocharge?	could I be turbocharging? could you be turbocharging? could he be turbocharging? could we be turbocharging? could you be turbocharging? could they be turbocharging?
Perfect	V-ing perfect
could I have turbocharged? could you have turbocharged? could he have turbocharged? could we have turbocharged? could you have turbocharged? could they have turbocharged?	could I have been turbocharging? could you have been turbocharging? could he have been turbocharging? could we have been turbocharging? could you have been turbocharging? could they have been turbocharging?

Interro-negative form

Simple form	V-ing form
could I not turbocharge? could you not turbocharge? could he not turbocharge? could we not turbocharge? could you not turbocharge? could they not turbocharge?	could I not be turbocharging? could you not be turbocharging? could he not be turbocharging? could we not be turbocharging? could you not be turbocharging? could they not be turbocharging?
Perfect	V-ing perfect
could I not have turbocharged? could you not have turbocharged? could he not have turbocharged? could we not have turbocharged? could you not have turbocharged? could they not have turbocharged?	could I not have been turbocharging? could you not have been turbocharging? could he not have been turbocharging? could we not have been turbocharging? could you not have been turbocharging? could they not have been turbocharging?