English verb conjugation
MAY OVERGRADE

Regular verb: overgrade - overgraded - overgraded

Affirmation

Simple form	V-ing form
I may overgrade you may overgrade he may overgrade we may overgrade you may overgrade they may overgrade	I may be overgrading you may be overgrading he may be overgrading we may be overgrading you may be overgrading they may be overgrading
Perfect	V-ing perfect
I may have overgraded you may have overgraded he may have overgraded we may have overgraded you may have overgraded they may have overgraded	I may have been overgrading you may have been overgrading he may have been overgrading we may have been overgrading you may have been overgrading they may have been overgrading

Negation

Simple form	V-ing form
I mayn't overgrade you mayn't overgrade he mayn't overgrade we mayn't overgrade you mayn't overgrade they mayn't overgrade	I mayn't be overgrading you mayn't be overgrading he mayn't be overgrading we mayn't be overgrading you mayn't be overgrading they mayn't be overgrading
Perfect	V-ing perfect
I mayn't have overgraded you mayn't have overgraded he mayn't have overgraded we mayn't have overgraded you mayn't have overgraded they mayn't have overgraded	I mayn't have been overgrading you mayn't have been overgrading he mayn't have been overgrading we mayn't have been overgrading you mayn't have been overgrading they mayn't have been overgrading

Interrogative form

Simple form	V-ing form
may I overgrade? may you overgrade? may he overgrade? may we overgrade? may you overgrade? may they overgrade?	may I be overgrading? may you be overgrading? may he be overgrading? may we be overgrading? may you be overgrading? may they be overgrading?
Perfect	V-ing perfect
may I have overgraded? may you have overgraded? may he have overgraded? may we have overgraded? may you have overgraded? may they have overgraded?	may I have been overgrading? may you have been overgrading? may he have been overgrading? may we have been overgrading? may you have been overgrading? may they have been overgrading?

Interro-negative form

Simple form	V-ing form
mayn't I overgrade? mayn't you overgrade? mayn't he overgrade? mayn't we overgrade? mayn't you overgrade? mayn't they overgrade?	mayn't I be overgrading? mayn't you be overgrading? mayn't he be overgrading? mayn't we be overgrading? mayn't you be overgrading? mayn't they be overgrading?
Perfect	V-ing perfect
mayn't I have overgraded? mayn't you have overgraded? mayn't he have overgraded? mayn't we have overgraded? mayn't you have overgraded? mayn't they have overgraded?	mayn't I have been overgrading? mayn't you have been overgrading? mayn't he have been overgrading? mayn't we have been overgrading? mayn't you have been overgrading? mayn't they have been overgrading?