could loosen
Verbo regolare: loosen - loosened- loosened

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could loosen
you could loosen
he could loosen
we could loosen
you could loosen
they could loosen 	I could be loosening
you could be loosening
he could be loosening
we could be loosening
you could be loosening
they could be loosening	I could have loosened
you could have loosened
he could have loosened
we could have loosened
you could have loosened
they could have loosened	I could have been loosening
you could have been loosening
he could have been loosening
we could have been loosening
you could have been loosening
they could have been loosening	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not loosen
you could not loosen
he could not loosen
we could not loosen
you could not loosen
they could not loosen 	I could not be loosening
you could not be loosening
he could not be loosening
we could not be loosening
you could not be loosening
they could not be loosening	I could not have loosened
you could not have loosened
he could not have loosened
we could not have loosened
you could not have loosened
they could not have loosened	I could not have been loosening
you could not have been loosening
he could not have been loosening
we could not have been loosening
you could not have been loosening
they could not have been loosening	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I loosen?
could you loosen?
could he loosen?
could we loosen?
could you loosen?
could they loosen? 	could I be loosening?
could you be loosening?
could he be loosening?
could we be loosening?
could you be loosening?
could they be loosening? 	could I have loosened?
could you have loosened?
could he have loosened?
could we have loosened?
could you have loosened?
could they have loosened? 	could I have been loosening?
could you have been loosening?
could he have been loosening?
could we have been loosening?
could you have been loosening?
could they have been loosening? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not loosen?
could you not loosen?
could he not loosen?
could we not loosen?
could you not loosen?
could they not loosen? 	could I not be loosening?
could you not be loosening?
could he not be loosening?
could we not be loosening?
could you not be loosening?
could they not be loosening? 	could I not have loosened?
could you not have loosened?
could he not have loosened?
could we not have loosened?
could you not have loosened?
could they not have loosened? 	could I not have been loosening?
could you not have been loosening?
could he not have been loosening?
could we not have been loosening?
could you not have been loosening?
could they not have been loosening?