English verb conjugation
COULD SCAR

Regular verb: scar - scarred - scarred

Affirmation

Simple form	V-ing form
I could scar you could scar he could scar we could scar you could scar they could scar	I could be scarring you could be scarring he could be scarring we could be scarring you could be scarring they could be scarring
Perfect	V-ing perfect
I could have scarred you could have scarred he could have scarred we could have scarred you could have scarred they could have scarred	I could have been scarring you could have been scarring he could have been scarring we could have been scarring you could have been scarring they could have been scarring

Negation

Simple form	V-ing form
I could not scar you could not scar he could not scar we could not scar you could not scar they could not scar	I could not be scarring you could not be scarring he could not be scarring we could not be scarring you could not be scarring they could not be scarring
Perfect	V-ing perfect
I could not have scarred you could not have scarred he could not have scarred we could not have scarred you could not have scarred they could not have scarred	I could not have been scarring you could not have been scarring he could not have been scarring we could not have been scarring you could not have been scarring they could not have been scarring

Interrogative form

Simple form	V-ing form
could I scar? could you scar? could he scar? could we scar? could you scar? could they scar?	could I be scarring? could you be scarring? could he be scarring? could we be scarring? could you be scarring? could they be scarring?
Perfect	V-ing perfect
could I have scarred? could you have scarred? could he have scarred? could we have scarred? could you have scarred? could they have scarred?	could I have been scarring? could you have been scarring? could he have been scarring? could we have been scarring? could you have been scarring? could they have been scarring?

Interro-negative form

Simple form	V-ing form
could I not scar? could you not scar? could he not scar? could we not scar? could you not scar? could they not scar?	could I not be scarring? could you not be scarring? could he not be scarring? could we not be scarring? could you not be scarring? could they not be scarring?
Perfect	V-ing perfect
could I not have scarred? could you not have scarred? could he not have scarred? could we not have scarred? could you not have scarred? could they not have scarred?	could I not have been scarring? could you not have been scarring? could he not have been scarring? could we not have been scarring? could you not have been scarring? could they not have been scarring?