I may decaffeinate you may decaffeinate she may decaffeinate we may decaffeinate you may decaffeinate they may decaffeinate
V-ing form
I may be decaffeinating you may be decaffeinating she may be decaffeinating we may be decaffeinating you may be decaffeinating they may be decaffeinating
Perfect
I may have decaffeinated you may have decaffeinated she may have decaffeinated we may have decaffeinated you may have decaffeinated they may have decaffeinated
V-ing perfect
I may have been decaffeinating you may have been decaffeinating she may have been decaffeinating we may have been decaffeinating you may have been decaffeinating they may have been decaffeinating
Negation
Simple form
I mayn't decaffeinate you mayn't decaffeinate she mayn't decaffeinate we mayn't decaffeinate you mayn't decaffeinate they mayn't decaffeinate
V-ing form
I mayn't be decaffeinating you mayn't be decaffeinating she mayn't be decaffeinating we mayn't be decaffeinating you mayn't be decaffeinating they mayn't be decaffeinating
Perfect
I mayn't have decaffeinated you mayn't have decaffeinated she mayn't have decaffeinated we mayn't have decaffeinated you mayn't have decaffeinated they mayn't have decaffeinated
V-ing perfect
I mayn't have been decaffeinating you mayn't have been decaffeinating she mayn't have been decaffeinating we mayn't have been decaffeinating you mayn't have been decaffeinating they mayn't have been decaffeinating
Interrogative form
Simple form
may I decaffeinate? may you decaffeinate? may she decaffeinate? may we decaffeinate? may you decaffeinate? may they decaffeinate?
V-ing form
may I be decaffeinating? may you be decaffeinating? may she be decaffeinating? may we be decaffeinating? may you be decaffeinating? may they be decaffeinating?
Perfect
may I have decaffeinated? may you have decaffeinated? may she have decaffeinated? may we have decaffeinated? may you have decaffeinated? may they have decaffeinated?
V-ing perfect
may I have been decaffeinating? may you have been decaffeinating? may she have been decaffeinating? may we have been decaffeinating? may you have been decaffeinating? may they have been decaffeinating?
Interro-negative form
Simple form
mayn't I decaffeinate? mayn't you decaffeinate? mayn't she decaffeinate? mayn't we decaffeinate? mayn't you decaffeinate? mayn't they decaffeinate?
V-ing form
mayn't I be decaffeinating? mayn't you be decaffeinating? mayn't she be decaffeinating? mayn't we be decaffeinating? mayn't you be decaffeinating? mayn't they be decaffeinating?
Perfect
mayn't I have decaffeinated? mayn't you have decaffeinated? mayn't she have decaffeinated? mayn't we have decaffeinated? mayn't you have decaffeinated? mayn't they have decaffeinated?
V-ing perfect
mayn't I have been decaffeinating? mayn't you have been decaffeinating? mayn't she have been decaffeinating? mayn't we have been decaffeinating? mayn't you have been decaffeinating? mayn't they have been decaffeinating?