could adhere
Verbo regular: adhere - adhered- adhered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could adhere
you could adhere
he could adhere
we could adhere
you could adhere
they could adhere 	I could be adhering
you could be adhering
he could be adhering
we could be adhering
you could be adhering
they could be adhering	I could have adhered
you could have adhered
he could have adhered
we could have adhered
you could have adhered
they could have adhered	I could have been adhering
you could have been adhering
he could have been adhering
we could have been adhering
you could have been adhering
they could have been adhering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not adhere
you could not adhere
he could not adhere
we could not adhere
you could not adhere
they could not adhere 	I could not be adhering
you could not be adhering
he could not be adhering
we could not be adhering
you could not be adhering
they could not be adhering	I could not have adhered
you could not have adhered
he could not have adhered
we could not have adhered
you could not have adhered
they could not have adhered	I could not have been adhering
you could not have been adhering
he could not have been adhering
we could not have been adhering
you could not have been adhering
they could not have been adhering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I adhere?
could you adhere?
could he adhere?
could we adhere?
could you adhere?
could they adhere? 	could I be adhering?
could you be adhering?
could he be adhering?
could we be adhering?
could you be adhering?
could they be adhering? 	could I have adhered?
could you have adhered?
could he have adhered?
could we have adhered?
could you have adhered?
could they have adhered? 	could I have been adhering?
could you have been adhering?
could he have been adhering?
could we have been adhering?
could you have been adhering?
could they have been adhering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not adhere?
could you not adhere?
could he not adhere?
could we not adhere?
could you not adhere?
could they not adhere? 	could I not be adhering?
could you not be adhering?
could he not be adhering?
could we not be adhering?
could you not be adhering?
could they not be adhering? 	could I not have adhered?
could you not have adhered?
could he not have adhered?
could we not have adhered?
could you not have adhered?
could they not have adhered? 	could I not have been adhering?
could you not have been adhering?
could he not have been adhering?
could we not have been adhering?
could you not have been adhering?
could they not have been adhering?