I may downgrade you may downgrade he may downgrade we may downgrade you may downgrade they may downgrade
V-ing form
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
V-ing perfect
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
Negation
Simple form
I may not downgrade you may not downgrade he may not downgrade we may not downgrade you may not downgrade they may not downgrade
V-ing form
I may not be downgrading you may not be downgrading he may not be downgrading we may not be downgrading you may not be downgrading they may not be downgrading
Perfect
I may not have downgraded you may not have downgraded he may not have downgraded we may not have downgraded you may not have downgraded they may not have downgraded
V-ing perfect
I may not have been downgrading you may not have been downgrading he may not have been downgrading we may not have been downgrading you may not have been downgrading they may not have been downgrading
Interrogative form
Simple form
may I downgrade? may you downgrade? may he downgrade? may we downgrade? may you downgrade? may they downgrade?
V-ing form
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?
V-ing perfect
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?
Interro-negative form
Simple form
may I not downgrade? may you not downgrade? may he not downgrade? may we not downgrade? may you not downgrade? may they not downgrade?
V-ing form
may I not be downgrading? may you not be downgrading? may he not be downgrading? may we not be downgrading? may you not be downgrading? may they not be downgrading?
Perfect
may I not have downgraded? may you not have downgraded? may he not have downgraded? may we not have downgraded? may you not have downgraded? may they not have downgraded?
V-ing perfect
may I not have been downgrading? may you not have been downgrading? may he not have been downgrading? may we not have been downgrading? may you not have been downgrading? may they not have been downgrading?