can ask
Verbo regular: ask - asked- asked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can ask
you can ask
she can ask
we can ask
you can ask
they can ask 	I can be asking
you can be asking
she can be asking
we can be asking
you can be asking
they can be asking	I can have asked
you can have asked
she can have asked
we can have asked
you can have asked
they can have asked	I can have been asking
you can have been asking
she can have been asking
we can have been asking
you can have been asking
they can have been asking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't ask
you can't ask
she can't ask
we can't ask
you can't ask
they can't ask 	I can't be asking
you can't be asking
she can't be asking
we can't be asking
you can't be asking
they can't be asking	I can't have asked
you can't have asked
she can't have asked
we can't have asked
you can't have asked
they can't have asked	I can't have been asking
you can't have been asking
she can't have been asking
we can't have been asking
you can't have been asking
they can't have been asking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I ask?
can you ask?
can she ask?
can we ask?
can you ask?
can they ask? 	can I be asking?
can you be asking?
can she be asking?
can we be asking?
can you be asking?
can they be asking? 	can I have asked?
can you have asked?
can she have asked?
can we have asked?
can you have asked?
can they have asked? 	can I have been asking?
can you have been asking?
can she have been asking?
can we have been asking?
can you have been asking?
can they have been asking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I ask?
can't you ask?
can't she ask?
can't we ask?
can't you ask?
can't they ask? 	can't I be asking?
can't you be asking?
can't she be asking?
can't we be asking?
can't you be asking?
can't they be asking? 	can't I have asked?
can't you have asked?
can't she have asked?
can't we have asked?
can't you have asked?
can't they have asked? 	can't I have been asking?
can't you have been asking?
can't she have been asking?
can't we have been asking?
can't you have been asking?
can't they have been asking?