I may downgrade you may downgrade he may downgrade we may downgrade you may downgrade they may downgrade
Forme en V-ing
I may be downgrading you may be downgrading he may be downgrading we may be downgrading you may be downgrading they may be downgrading
Perfect
I may have downgraded you may have downgraded he may have downgraded we may have downgraded you may have downgraded they may have downgraded
Perfect en V-ing
I may have been downgrading you may have been downgrading he may have been downgrading we may have been downgrading you may have been downgrading they may have been downgrading
Négation
Forme simple
I mayn't downgrade you mayn't downgrade he mayn't downgrade we mayn't downgrade you mayn't downgrade they mayn't downgrade
Forme en V-ing
I mayn't be downgrading you mayn't be downgrading he mayn't be downgrading we mayn't be downgrading you mayn't be downgrading they mayn't be downgrading
Perfect
I mayn't have downgraded you mayn't have downgraded he mayn't have downgraded we mayn't have downgraded you mayn't have downgraded they mayn't have downgraded
Perfect en V-ing
I mayn't have been downgrading you mayn't have been downgrading he mayn't have been downgrading we mayn't have been downgrading you mayn't have been downgrading they mayn't have been downgrading
Forme interrogative
Forme simple
may I downgrade? may you downgrade? may he downgrade? may we downgrade? may you downgrade? may they downgrade?
Forme en V-ing
may I be downgrading? may you be downgrading? may he be downgrading? may we be downgrading? may you be downgrading? may they be downgrading?
Perfect
may I have downgraded? may you have downgraded? may he have downgraded? may we have downgraded? may you have downgraded? may they have downgraded?
Perfect en V-ing
may I have been downgrading? may you have been downgrading? may he have been downgrading? may we have been downgrading? may you have been downgrading? may they have been downgrading?
Forme interro-négative
Forme simple
mayn't I downgrade? mayn't you downgrade? mayn't he downgrade? mayn't we downgrade? mayn't you downgrade? mayn't they downgrade?
Forme en V-ing
mayn't I be downgrading? mayn't you be downgrading? mayn't he be downgrading? mayn't we be downgrading? mayn't you be downgrading? mayn't they be downgrading?
Perfect
mayn't I have downgraded? mayn't you have downgraded? mayn't he have downgraded? mayn't we have downgraded? mayn't you have downgraded? mayn't they have downgraded?
Perfect en V-ing
mayn't I have been downgrading? mayn't you have been downgrading? mayn't he have been downgrading? mayn't we have been downgrading? mayn't you have been downgrading? mayn't they have been downgrading?