I may decaffeinate you may decaffeinate he may decaffeinate we may decaffeinate you may decaffeinate they may decaffeinate
V-ing form
I may be decaffeinating you may be decaffeinating he may be decaffeinating we may be decaffeinating you may be decaffeinating they may be decaffeinating
Perfect
I may have decaffeinated you may have decaffeinated he 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 he 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 he 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 he 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 he 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 he 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 he decaffeinate? may we decaffeinate? may you decaffeinate? may they decaffeinate?
V-ing form
may I be decaffeinating? may you be decaffeinating? may he be decaffeinating? may we be decaffeinating? may you be decaffeinating? may they be decaffeinating?
Perfect
may I have decaffeinated? may you have decaffeinated? may he 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 he 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 he 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 he 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 he 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 he have been decaffeinating? mayn't we have been decaffeinating? mayn't you have been decaffeinating? mayn't they have been decaffeinating?