can worry
Verbo regular: worry - worried- worried

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can worry
you can worry
she can worry
we can worry
you can worry
they can worry 	I can be worrying
you can be worrying
she can be worrying
we can be worrying
you can be worrying
they can be worrying	I can have worried
you can have worried
she can have worried
we can have worried
you can have worried
they can have worried	I can have been worrying
you can have been worrying
she can have been worrying
we can have been worrying
you can have been worrying
they can have been worrying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot worry
you cannot worry
she cannot worry
we cannot worry
you cannot worry
they cannot worry 	I cannot be worrying
you cannot be worrying
she cannot be worrying
we cannot be worrying
you cannot be worrying
they cannot be worrying	I cannot have worried
you cannot have worried
she cannot have worried
we cannot have worried
you cannot have worried
they cannot have worried	I cannot have been worrying
you cannot have been worrying
she cannot have been worrying
we cannot have been worrying
you cannot have been worrying
they cannot have been worrying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I worry?
can you worry?
can she worry?
can we worry?
can you worry?
can they worry? 	can I be worrying?
can you be worrying?
can she be worrying?
can we be worrying?
can you be worrying?
can they be worrying? 	can I have worried?
can you have worried?
can she have worried?
can we have worried?
can you have worried?
can they have worried? 	can I have been worrying?
can you have been worrying?
can she have been worrying?
can we have been worrying?
can you have been worrying?
can they have been worrying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not worry?
can you not worry?
can she not worry?
can we not worry?
can you not worry?
can they not worry? 	can I not be worrying?
can you not be worrying?
can she not be worrying?
can we not be worrying?
can you not be worrying?
can they not be worrying? 	can I not have worried?
can you not have worried?
can she not have worried?
can we not have worried?
can you not have worried?
can they not have worried? 	can I not have been worrying?
can you not have been worrying?
can she not have been worrying?
can we not have been worrying?
can you not have been worrying?
can they not have been worrying?