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

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

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

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

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