could brew
Regular verb: brew - brewed- brewed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could brew
you could brew
he could brew
we could brew
you could brew
they could brew 	I could be brewing
you could be brewing
he could be brewing
we could be brewing
you could be brewing
they could be brewing	I could have brewed
you could have brewed
he could have brewed
we could have brewed
you could have brewed
they could have brewed	I could have been brewing
you could have been brewing
he could have been brewing
we could have been brewing
you could have been brewing
they could have been brewing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not brew
you could not brew
he could not brew
we could not brew
you could not brew
they could not brew 	I could not be brewing
you could not be brewing
he could not be brewing
we could not be brewing
you could not be brewing
they could not be brewing	I could not have brewed
you could not have brewed
he could not have brewed
we could not have brewed
you could not have brewed
they could not have brewed	I could not have been brewing
you could not have been brewing
he could not have been brewing
we could not have been brewing
you could not have been brewing
they could not have been brewing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I brew?
could you brew?
could he brew?
could we brew?
could you brew?
could they brew? 	could I be brewing?
could you be brewing?
could he be brewing?
could we be brewing?
could you be brewing?
could they be brewing? 	could I have brewed?
could you have brewed?
could he have brewed?
could we have brewed?
could you have brewed?
could they have brewed? 	could I have been brewing?
could you have been brewing?
could he have been brewing?
could we have been brewing?
could you have been brewing?
could they have been brewing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not brew?
could you not brew?
could he not brew?
could we not brew?
could you not brew?
could they not brew? 	could I not be brewing?
could you not be brewing?
could he not be brewing?
could we not be brewing?
could you not be brewing?
could they not be brewing? 	could I not have brewed?
could you not have brewed?
could he not have brewed?
could we not have brewed?
could you not have brewed?
could they not have brewed? 	could I not have been brewing?
could you not have been brewing?
could he not have been brewing?
could we not have been brewing?
could you not have been brewing?
could they not have been brewing?