could skirr
Verbo regolare: skirr - skirred- skirred

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could skirr
you could skirr
he could skirr
we could skirr
you could skirr
they could skirr 	I could be skirring
you could be skirring
he could be skirring
we could be skirring
you could be skirring
they could be skirring	I could have skirred
you could have skirred
he could have skirred
we could have skirred
you could have skirred
they could have skirred	I could have been skirring
you could have been skirring
he could have been skirring
we could have been skirring
you could have been skirring
they could have been skirring	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not skirr
you could not skirr
he could not skirr
we could not skirr
you could not skirr
they could not skirr 	I could not be skirring
you could not be skirring
he could not be skirring
we could not be skirring
you could not be skirring
they could not be skirring	I could not have skirred
you could not have skirred
he could not have skirred
we could not have skirred
you could not have skirred
they could not have skirred	I could not have been skirring
you could not have been skirring
he could not have been skirring
we could not have been skirring
you could not have been skirring
they could not have been skirring	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I skirr?
could you skirr?
could he skirr?
could we skirr?
could you skirr?
could they skirr? 	could I be skirring?
could you be skirring?
could he be skirring?
could we be skirring?
could you be skirring?
could they be skirring? 	could I have skirred?
could you have skirred?
could he have skirred?
could we have skirred?
could you have skirred?
could they have skirred? 	could I have been skirring?
could you have been skirring?
could he have been skirring?
could we have been skirring?
could you have been skirring?
could they have been skirring? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not skirr?
could you not skirr?
could he not skirr?
could we not skirr?
could you not skirr?
could they not skirr? 	could I not be skirring?
could you not be skirring?
could he not be skirring?
could we not be skirring?
could you not be skirring?
could they not be skirring? 	could I not have skirred?
could you not have skirred?
could he not have skirred?
could we not have skirred?
could you not have skirred?
could they not have skirred? 	could I not have been skirring?
could you not have been skirring?
could he not have been skirring?
could we not have been skirring?
could you not have been skirring?
could they not have been skirring?