could attach
Verbo regolare: attach - attached- attached

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could attach
you could attach
she could attach
we could attach
you could attach
they could attach 	I could be attaching
you could be attaching
she could be attaching
we could be attaching
you could be attaching
they could be attaching	I could have attached
you could have attached
she could have attached
we could have attached
you could have attached
they could have attached	I could have been attaching
you could have been attaching
she could have been attaching
we could have been attaching
you could have been attaching
they could have been attaching	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not attach
you could not attach
she could not attach
we could not attach
you could not attach
they could not attach 	I could not be attaching
you could not be attaching
she could not be attaching
we could not be attaching
you could not be attaching
they could not be attaching	I could not have attached
you could not have attached
she could not have attached
we could not have attached
you could not have attached
they could not have attached	I could not have been attaching
you could not have been attaching
she could not have been attaching
we could not have been attaching
you could not have been attaching
they could not have been attaching	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I attach?
could you attach?
could she attach?
could we attach?
could you attach?
could they attach? 	could I be attaching?
could you be attaching?
could she be attaching?
could we be attaching?
could you be attaching?
could they be attaching? 	could I have attached?
could you have attached?
could she have attached?
could we have attached?
could you have attached?
could they have attached? 	could I have been attaching?
could you have been attaching?
could she have been attaching?
could we have been attaching?
could you have been attaching?
could they have been attaching? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not attach?
could you not attach?
could she not attach?
could we not attach?
could you not attach?
could they not attach? 	could I not be attaching?
could you not be attaching?
could she not be attaching?
could we not be attaching?
could you not be attaching?
could they not be attaching? 	could I not have attached?
could you not have attached?
could she not have attached?
could we not have attached?
could you not have attached?
could they not have attached? 	could I not have been attaching?
could you not have been attaching?
could she not have been attaching?
could we not have been attaching?
could you not have been attaching?
could they not have been attaching?