I may underwithhold you may underwithhold he may underwithhold we may underwithhold you may underwithhold they may underwithhold
V-ing form
I may be underwithholding you may be underwithholding he may be underwithholding we may be underwithholding you may be underwithholding they may be underwithholding
Perfect
I may have underwithholded you may have underwithholded he may have underwithholded we may have underwithholded you may have underwithholded they may have underwithholded
V-ing perfect
I may have been underwithholding you may have been underwithholding he may have been underwithholding we may have been underwithholding you may have been underwithholding they may have been underwithholding
Negation
Simple form
I mayn't underwithhold you mayn't underwithhold he mayn't underwithhold we mayn't underwithhold you mayn't underwithhold they mayn't underwithhold
V-ing form
I mayn't be underwithholding you mayn't be underwithholding he mayn't be underwithholding we mayn't be underwithholding you mayn't be underwithholding they mayn't be underwithholding
Perfect
I mayn't have underwithholded you mayn't have underwithholded he mayn't have underwithholded we mayn't have underwithholded you mayn't have underwithholded they mayn't have underwithholded
V-ing perfect
I mayn't have been underwithholding you mayn't have been underwithholding he mayn't have been underwithholding we mayn't have been underwithholding you mayn't have been underwithholding they mayn't have been underwithholding
Interrogative form
Simple form
may I underwithhold? may you underwithhold? may he underwithhold? may we underwithhold? may you underwithhold? may they underwithhold?
V-ing form
may I be underwithholding? may you be underwithholding? may he be underwithholding? may we be underwithholding? may you be underwithholding? may they be underwithholding?
Perfect
may I have underwithholded? may you have underwithholded? may he have underwithholded? may we have underwithholded? may you have underwithholded? may they have underwithholded?
V-ing perfect
may I have been underwithholding? may you have been underwithholding? may he have been underwithholding? may we have been underwithholding? may you have been underwithholding? may they have been underwithholding?
Interro-negative form
Simple form
mayn't I underwithhold? mayn't you underwithhold? mayn't he underwithhold? mayn't we underwithhold? mayn't you underwithhold? mayn't they underwithhold?
V-ing form
mayn't I be underwithholding? mayn't you be underwithholding? mayn't he be underwithholding? mayn't we be underwithholding? mayn't you be underwithholding? mayn't they be underwithholding?
Perfect
mayn't I have underwithholded? mayn't you have underwithholded? mayn't he have underwithholded? mayn't we have underwithholded? mayn't you have underwithholded? mayn't they have underwithholded?
V-ing perfect
mayn't I have been underwithholding? mayn't you have been underwithholding? mayn't he have been underwithholding? mayn't we have been underwithholding? mayn't you have been underwithholding? mayn't they have been underwithholding?