can aid
Verbo regular: aid - aided- aided

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can aid
you can aid
he can aid
we can aid
you can aid
they can aid 	I can be aiding
you can be aiding
he can be aiding
we can be aiding
you can be aiding
they can be aiding	I can have aided
you can have aided
he can have aided
we can have aided
you can have aided
they can have aided	I can have been aiding
you can have been aiding
he can have been aiding
we can have been aiding
you can have been aiding
they can have been aiding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot aid
you cannot aid
he cannot aid
we cannot aid
you cannot aid
they cannot aid 	I cannot be aiding
you cannot be aiding
he cannot be aiding
we cannot be aiding
you cannot be aiding
they cannot be aiding	I cannot have aided
you cannot have aided
he cannot have aided
we cannot have aided
you cannot have aided
they cannot have aided	I cannot have been aiding
you cannot have been aiding
he cannot have been aiding
we cannot have been aiding
you cannot have been aiding
they cannot have been aiding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I aid?
can you aid?
can he aid?
can we aid?
can you aid?
can they aid? 	can I be aiding?
can you be aiding?
can he be aiding?
can we be aiding?
can you be aiding?
can they be aiding? 	can I have aided?
can you have aided?
can he have aided?
can we have aided?
can you have aided?
can they have aided? 	can I have been aiding?
can you have been aiding?
can he have been aiding?
can we have been aiding?
can you have been aiding?
can they have been aiding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not aid?
can you not aid?
can he not aid?
can we not aid?
can you not aid?
can they not aid? 	can I not be aiding?
can you not be aiding?
can he not be aiding?
can we not be aiding?
can you not be aiding?
can they not be aiding? 	can I not have aided?
can you not have aided?
can he not have aided?
can we not have aided?
can you not have aided?
can they not have aided? 	can I not have been aiding?
can you not have been aiding?
can he not have been aiding?
can we not have been aiding?
can you not have been aiding?
can they not have been aiding?