could loosen
Verbe régulier : loosen - loosened- loosened
Traduction française : desserrer - se desserrer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could loosen
you could loosen
she could loosen
we could loosen
you could loosen
they could loosen 	I could be loosening
you could be loosening
she could be loosening
we could be loosening
you could be loosening
they could be loosening	I could have loosened
you could have loosened
she 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
she could have been loosening
we could have been loosening
you could have been loosening
they could have been loosening	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not loosen
you could not loosen
she 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
she 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
she 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
she could not have been loosening
we could not have been loosening
you could not have been loosening
they could not have been loosening	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I loosen?
could you loosen?
could she loosen?
could we loosen?
could you loosen?
could they loosen? 	could I be loosening?
could you be loosening?
could she be loosening?
could we be loosening?
could you be loosening?
could they be loosening? 	could I have loosened?
could you have loosened?
could she 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 she have been loosening?
could we have been loosening?
could you have been loosening?
could they have been loosening? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not loosen?
could you not loosen?
could she 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 she 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 she 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 she not have been loosening?
could we not have been loosening?
could you not have been loosening?
could they not have been loosening?