can do
Verbo irregular: do - did- done

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can do
you can do
he can do
we can do
you can do
they can do 	I can be doing
you can be doing
he can be doing
we can be doing
you can be doing
they can be doing	I can have done
you can have done
he can have done
we can have done
you can have done
they can have done	I can have been doing
you can have been doing
he can have been doing
we can have been doing
you can have been doing
they can have been doing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot do
you cannot do
he cannot do
we cannot do
you cannot do
they cannot do 	I cannot be doing
you cannot be doing
he cannot be doing
we cannot be doing
you cannot be doing
they cannot be doing	I cannot have done
you cannot have done
he cannot have done
we cannot have done
you cannot have done
they cannot have done	I cannot have been doing
you cannot have been doing
he cannot have been doing
we cannot have been doing
you cannot have been doing
they cannot have been doing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I do?
can you do?
can he do?
can we do?
can you do?
can they do? 	can I be doing?
can you be doing?
can he be doing?
can we be doing?
can you be doing?
can they be doing? 	can I have done?
can you have done?
can he have done?
can we have done?
can you have done?
can they have done? 	can I have been doing?
can you have been doing?
can he have been doing?
can we have been doing?
can you have been doing?
can they have been doing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not do?
can you not do?
can he not do?
can we not do?
can you not do?
can they not do? 	can I not be doing?
can you not be doing?
can he not be doing?
can we not be doing?
can you not be doing?
can they not be doing? 	can I not have done?
can you not have done?
can he not have done?
can we not have done?
can you not have done?
can they not have done? 	can I not have been doing?
can you not have been doing?
can he not have been doing?
can we not have been doing?
can you not have been doing?
can they not have been doing?