English verb conjugation
COULD SUPERCHARGE

Regular verb: supercharge - supercharged - supercharged

Affirmation

Simple form	V-ing form
I could supercharge you could supercharge he could supercharge we could supercharge you could supercharge they could supercharge	I could be supercharging you could be supercharging he could be supercharging we could be supercharging you could be supercharging they could be supercharging
Perfect	V-ing perfect
I could have supercharged you could have supercharged he could have supercharged we could have supercharged you could have supercharged they could have supercharged	I could have been supercharging you could have been supercharging he could have been supercharging we could have been supercharging you could have been supercharging they could have been supercharging

Negation

Simple form	V-ing form
I couldn't supercharge you couldn't supercharge he couldn't supercharge we couldn't supercharge you couldn't supercharge they couldn't supercharge	I couldn't be supercharging you couldn't be supercharging he couldn't be supercharging we couldn't be supercharging you couldn't be supercharging they couldn't be supercharging
Perfect	V-ing perfect
I couldn't have supercharged you couldn't have supercharged he couldn't have supercharged we couldn't have supercharged you couldn't have supercharged they couldn't have supercharged	I couldn't have been supercharging you couldn't have been supercharging he couldn't have been supercharging we couldn't have been supercharging you couldn't have been supercharging they couldn't have been supercharging

Interrogative form

Simple form	V-ing form
could I supercharge? could you supercharge? could he supercharge? could we supercharge? could you supercharge? could they supercharge?	could I be supercharging? could you be supercharging? could he be supercharging? could we be supercharging? could you be supercharging? could they be supercharging?
Perfect	V-ing perfect
could I have supercharged? could you have supercharged? could he have supercharged? could we have supercharged? could you have supercharged? could they have supercharged?	could I have been supercharging? could you have been supercharging? could he have been supercharging? could we have been supercharging? could you have been supercharging? could they have been supercharging?

Interro-negative form

Simple form	V-ing form
couldn't I supercharge? couldn't you supercharge? couldn't he supercharge? couldn't we supercharge? couldn't you supercharge? couldn't they supercharge?	couldn't I be supercharging? couldn't you be supercharging? couldn't he be supercharging? couldn't we be supercharging? couldn't you be supercharging? couldn't they be supercharging?
Perfect	V-ing perfect
couldn't I have supercharged? couldn't you have supercharged? couldn't he have supercharged? couldn't we have supercharged? couldn't you have supercharged? couldn't they have supercharged?	couldn't I have been supercharging? couldn't you have been supercharging? couldn't he have been supercharging? couldn't we have been supercharging? couldn't you have been supercharging? couldn't they have been supercharging?