Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I may cover up you may cover up he may cover up we may cover up you may cover up they may cover up
V-ing form
I may be cover uping you may be cover uping he may be cover uping we may be cover uping you may be cover uping they may be cover uping
Perfect
I may have cover uped you may have cover uped he may have cover uped we may have cover uped you may have cover uped they may have cover uped
V-ing perfect
I may have been cover uping you may have been cover uping he may have been cover uping we may have been cover uping you may have been cover uping they may have been cover uping
Negation
Simple form
I mayn't cover up you mayn't cover up he mayn't cover up we mayn't cover up you mayn't cover up they mayn't cover up
V-ing form
I mayn't be cover uping you mayn't be cover uping he mayn't be cover uping we mayn't be cover uping you mayn't be cover uping they mayn't be cover uping
Perfect
I mayn't have cover uped you mayn't have cover uped he mayn't have cover uped we mayn't have cover uped you mayn't have cover uped they mayn't have cover uped
V-ing perfect
I mayn't have been cover uping you mayn't have been cover uping he mayn't have been cover uping we mayn't have been cover uping you mayn't have been cover uping they mayn't have been cover uping
Interrogative form
Simple form
may I cover up? may you cover up? may he cover up? may we cover up? may you cover up? may they cover up?
V-ing form
may I be cover uping? may you be cover uping? may he be cover uping? may we be cover uping? may you be cover uping? may they be cover uping?
Perfect
may I have cover uped? may you have cover uped? may he have cover uped? may we have cover uped? may you have cover uped? may they have cover uped?
V-ing perfect
may I have been cover uping? may you have been cover uping? may he have been cover uping? may we have been cover uping? may you have been cover uping? may they have been cover uping?
Interro-negative form
Simple form
mayn't I cover up? mayn't you cover up? mayn't he cover up? mayn't we cover up? mayn't you cover up? mayn't they cover up?
V-ing form
mayn't I be cover uping? mayn't you be cover uping? mayn't he be cover uping? mayn't we be cover uping? mayn't you be cover uping? mayn't they be cover uping?
Perfect
mayn't I have cover uped? mayn't you have cover uped? mayn't he have cover uped? mayn't we have cover uped? mayn't you have cover uped? mayn't they have cover uped?
V-ing perfect
mayn't I have been cover uping? mayn't you have been cover uping? mayn't he have been cover uping? mayn't we have been cover uping? mayn't you have been cover uping? mayn't they have been cover uping?