I may skimp you may skimp he may skimp we may skimp you may skimp they may skimp
V-ing form
I may be skimping you may be skimping he may be skimping we may be skimping you may be skimping they may be skimping
Perfect
I may have skimped you may have skimped he may have skimped we may have skimped you may have skimped they may have skimped
V-ing perfect
I may have been skimping you may have been skimping he may have been skimping we may have been skimping you may have been skimping they may have been skimping
Negation
Simple form
I may not skimp you may not skimp he may not skimp we may not skimp you may not skimp they may not skimp
V-ing form
I may not be skimping you may not be skimping he may not be skimping we may not be skimping you may not be skimping they may not be skimping
Perfect
I may not have skimped you may not have skimped he may not have skimped we may not have skimped you may not have skimped they may not have skimped
V-ing perfect
I may not have been skimping you may not have been skimping he may not have been skimping we may not have been skimping you may not have been skimping they may not have been skimping
Interrogative form
Simple form
may I skimp? may you skimp? may he skimp? may we skimp? may you skimp? may they skimp?
V-ing form
may I be skimping? may you be skimping? may he be skimping? may we be skimping? may you be skimping? may they be skimping?
Perfect
may I have skimped? may you have skimped? may he have skimped? may we have skimped? may you have skimped? may they have skimped?
V-ing perfect
may I have been skimping? may you have been skimping? may he have been skimping? may we have been skimping? may you have been skimping? may they have been skimping?
Interro-negative form
Simple form
may I not skimp? may you not skimp? may he not skimp? may we not skimp? may you not skimp? may they not skimp?
V-ing form
may I not be skimping? may you not be skimping? may he not be skimping? may we not be skimping? may you not be skimping? may they not be skimping?
Perfect
may I not have skimped? may you not have skimped? may he not have skimped? may we not have skimped? may you not have skimped? may they not have skimped?
V-ing perfect
may I not have been skimping? may you not have been skimping? may he not have been skimping? may we not have been skimping? may you not have been skimping? may they not have been skimping?