could airmail
Verbo regolare: airmail - airmailed- airmailed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could airmail
you could airmail
she could airmail
we could airmail
you could airmail
they could airmail 	I could be airmailing
you could be airmailing
she could be airmailing
we could be airmailing
you could be airmailing
they could be airmailing	I could have airmailed
you could have airmailed
she could have airmailed
we could have airmailed
you could have airmailed
they could have airmailed	I could have been airmailing
you could have been airmailing
she could have been airmailing
we could have been airmailing
you could have been airmailing
they could have been airmailing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not airmail
you could not airmail
she could not airmail
we could not airmail
you could not airmail
they could not airmail 	I could not be airmailing
you could not be airmailing
she could not be airmailing
we could not be airmailing
you could not be airmailing
they could not be airmailing	I could not have airmailed
you could not have airmailed
she could not have airmailed
we could not have airmailed
you could not have airmailed
they could not have airmailed	I could not have been airmailing
you could not have been airmailing
she could not have been airmailing
we could not have been airmailing
you could not have been airmailing
they could not have been airmailing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I airmail?
could you airmail?
could she airmail?
could we airmail?
could you airmail?
could they airmail? 	could I be airmailing?
could you be airmailing?
could she be airmailing?
could we be airmailing?
could you be airmailing?
could they be airmailing? 	could I have airmailed?
could you have airmailed?
could she have airmailed?
could we have airmailed?
could you have airmailed?
could they have airmailed? 	could I have been airmailing?
could you have been airmailing?
could she have been airmailing?
could we have been airmailing?
could you have been airmailing?
could they have been airmailing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not airmail?
could you not airmail?
could she not airmail?
could we not airmail?
could you not airmail?
could they not airmail? 	could I not be airmailing?
could you not be airmailing?
could she not be airmailing?
could we not be airmailing?
could you not be airmailing?
could they not be airmailing? 	could I not have airmailed?
could you not have airmailed?
could she not have airmailed?
could we not have airmailed?
could you not have airmailed?
could they not have airmailed? 	could I not have been airmailing?
could you not have been airmailing?
could she not have been airmailing?
could we not have been airmailing?
could you not have been airmailing?
could they not have been airmailing?