can yell
Verbo regular: yell - yelled- yelled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can yell
you can yell
he can yell
we can yell
you can yell
they can yell 	I can be yelling
you can be yelling
he can be yelling
we can be yelling
you can be yelling
they can be yelling	I can have yelled
you can have yelled
he can have yelled
we can have yelled
you can have yelled
they can have yelled	I can have been yelling
you can have been yelling
he can have been yelling
we can have been yelling
you can have been yelling
they can have been yelling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot yell
you cannot yell
he cannot yell
we cannot yell
you cannot yell
they cannot yell 	I cannot be yelling
you cannot be yelling
he cannot be yelling
we cannot be yelling
you cannot be yelling
they cannot be yelling	I cannot have yelled
you cannot have yelled
he cannot have yelled
we cannot have yelled
you cannot have yelled
they cannot have yelled	I cannot have been yelling
you cannot have been yelling
he cannot have been yelling
we cannot have been yelling
you cannot have been yelling
they cannot have been yelling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I yell?
can you yell?
can he yell?
can we yell?
can you yell?
can they yell? 	can I be yelling?
can you be yelling?
can he be yelling?
can we be yelling?
can you be yelling?
can they be yelling? 	can I have yelled?
can you have yelled?
can he have yelled?
can we have yelled?
can you have yelled?
can they have yelled? 	can I have been yelling?
can you have been yelling?
can he have been yelling?
can we have been yelling?
can you have been yelling?
can they have been yelling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not yell?
can you not yell?
can he not yell?
can we not yell?
can you not yell?
can they not yell? 	can I not be yelling?
can you not be yelling?
can he not be yelling?
can we not be yelling?
can you not be yelling?
can they not be yelling? 	can I not have yelled?
can you not have yelled?
can he not have yelled?
can we not have yelled?
can you not have yelled?
can they not have yelled? 	can I not have been yelling?
can you not have been yelling?
can he not have been yelling?
can we not have been yelling?
can you not have been yelling?
can they not have been yelling?