I must downgrade you must downgrade he must downgrade we must downgrade you must downgrade they must downgrade
Forme en V-ing
I must be downgrading you must be downgrading he must be downgrading we must be downgrading you must be downgrading they must be downgrading
Perfect
I must have downgraded you must have downgraded he must have downgraded we must have downgraded you must have downgraded they must have downgraded
Perfect en V-ing
I must have been downgrading you must have been downgrading he must have been downgrading we must have been downgrading you must have been downgrading they must have been downgrading
Négation
Forme simple
I must not downgrade you must not downgrade he must not downgrade we must not downgrade you must not downgrade they must not downgrade
Forme en V-ing
I must not be downgrading you must not be downgrading he must not be downgrading we must not be downgrading you must not be downgrading they must not be downgrading
Perfect
I must not have downgraded you must not have downgraded he must not have downgraded we must not have downgraded you must not have downgraded they must not have downgraded
Perfect en V-ing
I must not have been downgrading you must not have been downgrading he must not have been downgrading we must not have been downgrading you must not have been downgrading they must not have been downgrading
Forme interrogative
Forme simple
must I downgrade? must you downgrade? must he downgrade? must we downgrade? must you downgrade? must they downgrade?
Forme en V-ing
must I be downgrading? must you be downgrading? must he be downgrading? must we be downgrading? must you be downgrading? must they be downgrading?
Perfect
must I have downgraded? must you have downgraded? must he have downgraded? must we have downgraded? must you have downgraded? must they have downgraded?
Perfect en V-ing
must I have been downgrading? must you have been downgrading? must he have been downgrading? must we have been downgrading? must you have been downgrading? must they have been downgrading?
Forme interro-négative
Forme simple
must I not downgrade? must you not downgrade? must he not downgrade? must we not downgrade? must you not downgrade? must they not downgrade?
Forme en V-ing
must I not be downgrading? must you not be downgrading? must he not be downgrading? must we not be downgrading? must you not be downgrading? must they not be downgrading?
Perfect
must I not have downgraded? must you not have downgraded? must he not have downgraded? must we not have downgraded? must you not have downgraded? must they not have downgraded?
Perfect en V-ing
must I not have been downgrading? must you not have been downgrading? must he not have been downgrading? must we not have been downgrading? must you not have been downgrading? must they not have been downgrading?