can excel
Verbo regular: excel - excelled- excelled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can excel
you can excel
she can excel
we can excel
you can excel
they can excel 	I can be excelling
you can be excelling
she can be excelling
we can be excelling
you can be excelling
they can be excelling	I can have excelled
you can have excelled
she can have excelled
we can have excelled
you can have excelled
they can have excelled	I can have been excelling
you can have been excelling
she can have been excelling
we can have been excelling
you can have been excelling
they can have been excelling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot excel
you cannot excel
she cannot excel
we cannot excel
you cannot excel
they cannot excel 	I cannot be excelling
you cannot be excelling
she cannot be excelling
we cannot be excelling
you cannot be excelling
they cannot be excelling	I cannot have excelled
you cannot have excelled
she cannot have excelled
we cannot have excelled
you cannot have excelled
they cannot have excelled	I cannot have been excelling
you cannot have been excelling
she cannot have been excelling
we cannot have been excelling
you cannot have been excelling
they cannot have been excelling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I excel?
can you excel?
can she excel?
can we excel?
can you excel?
can they excel? 	can I be excelling?
can you be excelling?
can she be excelling?
can we be excelling?
can you be excelling?
can they be excelling? 	can I have excelled?
can you have excelled?
can she have excelled?
can we have excelled?
can you have excelled?
can they have excelled? 	can I have been excelling?
can you have been excelling?
can she have been excelling?
can we have been excelling?
can you have been excelling?
can they have been excelling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not excel?
can you not excel?
can she not excel?
can we not excel?
can you not excel?
can they not excel? 	can I not be excelling?
can you not be excelling?
can she not be excelling?
can we not be excelling?
can you not be excelling?
can they not be excelling? 	can I not have excelled?
can you not have excelled?
can she not have excelled?
can we not have excelled?
can you not have excelled?
can they not have excelled? 	can I not have been excelling?
can you not have been excelling?
can she not have been excelling?
can we not have been excelling?
can you not have been excelling?
can they not have been excelling?