must sag
Verbe régulier : sag - sagged- sagged
Traduction française : être détendu - fléchir 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must sag
you must sag
he must sag
we must sag
you must sag
they must sag 	I must be sagging
you must be sagging
he must be sagging
we must be sagging
you must be sagging
they must be sagging	I must have sagged
you must have sagged
he must have sagged
we must have sagged
you must have sagged
they must have sagged	I must have been sagging
you must have been sagging
he must have been sagging
we must have been sagging
you must have been sagging
they must have been sagging	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not sag
you must not sag
he must not sag
we must not sag
you must not sag
they must not sag 	I must not be sagging
you must not be sagging
he must not be sagging
we must not be sagging
you must not be sagging
they must not be sagging	I must not have sagged
you must not have sagged
he must not have sagged
we must not have sagged
you must not have sagged
they must not have sagged	I must not have been sagging
you must not have been sagging
he must not have been sagging
we must not have been sagging
you must not have been sagging
they must not have been sagging	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I sag?
must you sag?
must he sag?
must we sag?
must you sag?
must they sag? 	must I be sagging?
must you be sagging?
must he be sagging?
must we be sagging?
must you be sagging?
must they be sagging? 	must I have sagged?
must you have sagged?
must he have sagged?
must we have sagged?
must you have sagged?
must they have sagged? 	must I have been sagging?
must you have been sagging?
must he have been sagging?
must we have been sagging?
must you have been sagging?
must they have been sagging? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not sag?
must you not sag?
must he not sag?
must we not sag?
must you not sag?
must they not sag? 	must I not be sagging?
must you not be sagging?
must he not be sagging?
must we not be sagging?
must you not be sagging?
must they not be sagging? 	must I not have sagged?
must you not have sagged?
must he not have sagged?
must we not have sagged?
must you not have sagged?
must they not have sagged? 	must I not have been sagging?
must you not have been sagging?
must he not have been sagging?
must we not have been sagging?
must you not have been sagging?
must they not have been sagging?