Conjugação do verbo inglês
COULD FRIGHTEN

Verbo regular: frighten - frightened - frightened

Afirmação

Forma simple	Forma com V-ing
I could frighten you could frighten she could frighten we could frighten you could frighten they could frighten	I could be frightening you could be frightening she could be frightening we could be frightening you could be frightening they could be frightening
Perfeito	Perfeito com V-ing
I could have frightened you could have frightened she could have frightened we could have frightened you could have frightened they could have frightened	I could have been frightening you could have been frightening she could have been frightening we could have been frightening you could have been frightening they could have been frightening

Negação

Forma simple	Forma com V-ing
I could not frighten you could not frighten she could not frighten we could not frighten you could not frighten they could not frighten	I could not be frightening you could not be frightening she could not be frightening we could not be frightening you could not be frightening they could not be frightening
Perfeito	Perfeito com V-ing
I could not have frightened you could not have frightened she could not have frightened we could not have frightened you could not have frightened they could not have frightened	I could not have been frightening you could not have been frightening she could not have been frightening we could not have been frightening you could not have been frightening they could not have been frightening

Forma interrogativa

Forma simple	Forma com V-ing
could I frighten? could you frighten? could she frighten? could we frighten? could you frighten? could they frighten?	could I be frightening? could you be frightening? could she be frightening? could we be frightening? could you be frightening? could they be frightening?
Perfeito	Perfeito com V-ing
could I have frightened? could you have frightened? could she have frightened? could we have frightened? could you have frightened? could they have frightened?	could I have been frightening? could you have been frightening? could she have been frightening? could we have been frightening? could you have been frightening? could they have been frightening?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not frighten? could you not frighten? could she not frighten? could we not frighten? could you not frighten? could they not frighten?	could I not be frightening? could you not be frightening? could she not be frightening? could we not be frightening? could you not be frightening? could they not be frightening?
Perfeito	Perfeito com V-ing
could I not have frightened? could you not have frightened? could she not have frightened? could we not have frightened? could you not have frightened? could they not have frightened?	could I not have been frightening? could you not have been frightening? could she not have been frightening? could we not have been frightening? could you not have been frightening? could they not have been frightening?