English verb conjugation
COULD FRIGHTEN FRIGHTEN

Regular verb: frighten frighten - frighten frightened - frighten frightened

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could frighten frighten you could frighten frighten he could frighten frighten we could frighten frighten you could frighten frighten they could frighten frighten	I could be frighten frightening you could be frighten frightening he could be frighten frightening we could be frighten frightening you could be frighten frightening they could be frighten frightening
Perfect	V-ing perfect
I could have frighten frightened you could have frighten frightened he could have frighten frightened we could have frighten frightened you could have frighten frightened they could have frighten frightened	I could have been frighten frightening you could have been frighten frightening he could have been frighten frightening we could have been frighten frightening you could have been frighten frightening they could have been frighten frightening

Negation

Simple form	V-ing form
I could not frighten frighten you could not frighten frighten he could not frighten frighten we could not frighten frighten you could not frighten frighten they could not frighten frighten	I could not be frighten frightening you could not be frighten frightening he could not be frighten frightening we could not be frighten frightening you could not be frighten frightening they could not be frighten frightening
Perfect	V-ing perfect
I could not have frighten frightened you could not have frighten frightened he could not have frighten frightened we could not have frighten frightened you could not have frighten frightened they could not have frighten frightened	I could not have been frighten frightening you could not have been frighten frightening he could not have been frighten frightening we could not have been frighten frightening you could not have been frighten frightening they could not have been frighten frightening

Interrogative form

Simple form	V-ing form
could I frighten frighten? could you frighten frighten? could he frighten frighten? could we frighten frighten? could you frighten frighten? could they frighten frighten?	could I be frighten frightening? could you be frighten frightening? could he be frighten frightening? could we be frighten frightening? could you be frighten frightening? could they be frighten frightening?
Perfect	V-ing perfect
could I have frighten frightened? could you have frighten frightened? could he have frighten frightened? could we have frighten frightened? could you have frighten frightened? could they have frighten frightened?	could I have been frighten frightening? could you have been frighten frightening? could he have been frighten frightening? could we have been frighten frightening? could you have been frighten frightening? could they have been frighten frightening?

Interro-negative form

Simple form	V-ing form
could I not frighten frighten? could you not frighten frighten? could he not frighten frighten? could we not frighten frighten? could you not frighten frighten? could they not frighten frighten?	could I not be frighten frightening? could you not be frighten frightening? could he not be frighten frightening? could we not be frighten frightening? could you not be frighten frightening? could they not be frighten frightening?
Perfect	V-ing perfect
could I not have frighten frightened? could you not have frighten frightened? could he not have frighten frightened? could we not have frighten frightened? could you not have frighten frightened? could they not have frighten frightened?	could I not have been frighten frightening? could you not have been frighten frightening? could he not have been frighten frightening? could we not have been frighten frightening? could you not have been frighten frightening? could they not have been frighten frightening?