I may fatten you may fatten he may fatten we may fatten you may fatten they may fatten
V-ing form
I may be fattening you may be fattening he may be fattening we may be fattening you may be fattening they may be fattening
Perfect
I may have fattened you may have fattened he may have fattened we may have fattened you may have fattened they may have fattened
V-ing perfect
I may have been fattening you may have been fattening he may have been fattening we may have been fattening you may have been fattening they may have been fattening
Negation
Simple form
I may not fatten you may not fatten he may not fatten we may not fatten you may not fatten they may not fatten
V-ing form
I may not be fattening you may not be fattening he may not be fattening we may not be fattening you may not be fattening they may not be fattening
Perfect
I may not have fattened you may not have fattened he may not have fattened we may not have fattened you may not have fattened they may not have fattened
V-ing perfect
I may not have been fattening you may not have been fattening he may not have been fattening we may not have been fattening you may not have been fattening they may not have been fattening
Interrogative form
Simple form
may I fatten? may you fatten? may he fatten? may we fatten? may you fatten? may they fatten?
V-ing form
may I be fattening? may you be fattening? may he be fattening? may we be fattening? may you be fattening? may they be fattening?
Perfect
may I have fattened? may you have fattened? may he have fattened? may we have fattened? may you have fattened? may they have fattened?
V-ing perfect
may I have been fattening? may you have been fattening? may he have been fattening? may we have been fattening? may you have been fattening? may they have been fattening?
Interro-negative form
Simple form
may I not fatten? may you not fatten? may he not fatten? may we not fatten? may you not fatten? may they not fatten?
V-ing form
may I not be fattening? may you not be fattening? may he not be fattening? may we not be fattening? may you not be fattening? may they not be fattening?
Perfect
may I not have fattened? may you not have fattened? may he not have fattened? may we not have fattened? may you not have fattened? may they not have fattened?
V-ing perfect
may I not have been fattening? may you not have been fattening? may he not have been fattening? may we not have been fattening? may you not have been fattening? may they not have been fattening?