could chirr
Verbo regolare: chirr - chirred- chirred

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could chirr
you could chirr
she could chirr
we could chirr
you could chirr
they could chirr 	I could be chirring
you could be chirring
she could be chirring
we could be chirring
you could be chirring
they could be chirring	I could have chirred
you could have chirred
she could have chirred
we could have chirred
you could have chirred
they could have chirred	I could have been chirring
you could have been chirring
she could have been chirring
we could have been chirring
you could have been chirring
they could have been chirring	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not chirr
you could not chirr
she could not chirr
we could not chirr
you could not chirr
they could not chirr 	I could not be chirring
you could not be chirring
she could not be chirring
we could not be chirring
you could not be chirring
they could not be chirring	I could not have chirred
you could not have chirred
she could not have chirred
we could not have chirred
you could not have chirred
they could not have chirred	I could not have been chirring
you could not have been chirring
she could not have been chirring
we could not have been chirring
you could not have been chirring
they could not have been chirring	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I chirr?
could you chirr?
could she chirr?
could we chirr?
could you chirr?
could they chirr? 	could I be chirring?
could you be chirring?
could she be chirring?
could we be chirring?
could you be chirring?
could they be chirring? 	could I have chirred?
could you have chirred?
could she have chirred?
could we have chirred?
could you have chirred?
could they have chirred? 	could I have been chirring?
could you have been chirring?
could she have been chirring?
could we have been chirring?
could you have been chirring?
could they have been chirring? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not chirr?
could you not chirr?
could she not chirr?
could we not chirr?
could you not chirr?
could they not chirr? 	could I not be chirring?
could you not be chirring?
could she not be chirring?
could we not be chirring?
could you not be chirring?
could they not be chirring? 	could I not have chirred?
could you not have chirred?
could she not have chirred?
could we not have chirred?
could you not have chirred?
could they not have chirred? 	could I not have been chirring?
could you not have been chirring?
could she not have been chirring?
could we not have been chirring?
could you not have been chirring?
could they not have been chirring?