could aerate
Verbo regular: aerate - aerated- aerated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could aerate
you could aerate
he could aerate
we could aerate
you could aerate
they could aerate 	I could be aerating
you could be aerating
he could be aerating
we could be aerating
you could be aerating
they could be aerating	I could have aerated
you could have aerated
he could have aerated
we could have aerated
you could have aerated
they could have aerated	I could have been aerating
you could have been aerating
he could have been aerating
we could have been aerating
you could have been aerating
they could have been aerating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not aerate
you could not aerate
he could not aerate
we could not aerate
you could not aerate
they could not aerate 	I could not be aerating
you could not be aerating
he could not be aerating
we could not be aerating
you could not be aerating
they could not be aerating	I could not have aerated
you could not have aerated
he could not have aerated
we could not have aerated
you could not have aerated
they could not have aerated	I could not have been aerating
you could not have been aerating
he could not have been aerating
we could not have been aerating
you could not have been aerating
they could not have been aerating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I aerate?
could you aerate?
could he aerate?
could we aerate?
could you aerate?
could they aerate? 	could I be aerating?
could you be aerating?
could he be aerating?
could we be aerating?
could you be aerating?
could they be aerating? 	could I have aerated?
could you have aerated?
could he have aerated?
could we have aerated?
could you have aerated?
could they have aerated? 	could I have been aerating?
could you have been aerating?
could he have been aerating?
could we have been aerating?
could you have been aerating?
could they have been aerating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not aerate?
could you not aerate?
could he not aerate?
could we not aerate?
could you not aerate?
could they not aerate? 	could I not be aerating?
could you not be aerating?
could he not be aerating?
could we not be aerating?
could you not be aerating?
could they not be aerating? 	could I not have aerated?
could you not have aerated?
could he not have aerated?
could we not have aerated?
could you not have aerated?
could they not have aerated? 	could I not have been aerating?
could you not have been aerating?
could he not have been aerating?
could we not have been aerating?
could you not have been aerating?
could they not have been aerating?