Conjugación del verbo inglés
COULD EXCEL

Verbo regular: excel - excelled - excelled

Afirmación

Forma simple	Forma con V-ing
I could excel you could excel he could excel we could excel you could excel they could excel	I could be excelling you could be excelling he could be excelling we could be excelling you could be excelling they could be excelling
Perfecto	Perfecto con V-ing
I could have excelled you could have excelled he could have excelled we could have excelled you could have excelled they could have excelled	I could have been excelling you could have been excelling he could have been excelling we could have been excelling you could have been excelling they could have been excelling

Negación

Forma simple	Forma con V-ing
I could not excel you could not excel he could not excel we could not excel you could not excel they could not excel	I could not be excelling you could not be excelling he could not be excelling we could not be excelling you could not be excelling they could not be excelling
Perfecto	Perfecto con V-ing
I could not have excelled you could not have excelled he could not have excelled we could not have excelled you could not have excelled they could not have excelled	I could not have been excelling you could not have been excelling he could not have been excelling we could not have been excelling you could not have been excelling they could not have been excelling

Forma interrogativa

Forma simple	Forma con V-ing
could I excel? could you excel? could he excel? could we excel? could you excel? could they excel?	could I be excelling? could you be excelling? could he be excelling? could we be excelling? could you be excelling? could they be excelling?
Perfecto	Perfecto con V-ing
could I have excelled? could you have excelled? could he have excelled? could we have excelled? could you have excelled? could they have excelled?	could I have been excelling? could you have been excelling? could he have been excelling? could we have been excelling? could you have been excelling? could they have been excelling?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not excel? could you not excel? could he not excel? could we not excel? could you not excel? could they not excel?	could I not be excelling? could you not be excelling? could he not be excelling? could we not be excelling? could you not be excelling? could they not be excelling?
Perfecto	Perfecto con V-ing
could I not have excelled? could you not have excelled? could he not have excelled? could we not have excelled? could you not have excelled? could they not have excelled?	could I not have been excelling? could you not have been excelling? could he not have been excelling? could we not have been excelling? could you not have been excelling? could they not have been excelling?