I may quadruple you may quadruple she may quadruple we may quadruple you may quadruple they may quadruple
V-ing form
I may be quadrupling you may be quadrupling she may be quadrupling we may be quadrupling you may be quadrupling they may be quadrupling
Perfect
I may have quadrupled you may have quadrupled she may have quadrupled we may have quadrupled you may have quadrupled they may have quadrupled
V-ing perfect
I may have been quadrupling you may have been quadrupling she may have been quadrupling we may have been quadrupling you may have been quadrupling they may have been quadrupling
Negation
Simple form
I may not quadruple you may not quadruple she may not quadruple we may not quadruple you may not quadruple they may not quadruple
V-ing form
I may not be quadrupling you may not be quadrupling she may not be quadrupling we may not be quadrupling you may not be quadrupling they may not be quadrupling
Perfect
I may not have quadrupled you may not have quadrupled she may not have quadrupled we may not have quadrupled you may not have quadrupled they may not have quadrupled
V-ing perfect
I may not have been quadrupling you may not have been quadrupling she may not have been quadrupling we may not have been quadrupling you may not have been quadrupling they may not have been quadrupling
Interrogative form
Simple form
may I quadruple? may you quadruple? may she quadruple? may we quadruple? may you quadruple? may they quadruple?
V-ing form
may I be quadrupling? may you be quadrupling? may she be quadrupling? may we be quadrupling? may you be quadrupling? may they be quadrupling?
Perfect
may I have quadrupled? may you have quadrupled? may she have quadrupled? may we have quadrupled? may you have quadrupled? may they have quadrupled?
V-ing perfect
may I have been quadrupling? may you have been quadrupling? may she have been quadrupling? may we have been quadrupling? may you have been quadrupling? may they have been quadrupling?
Interro-negative form
Simple form
may I not quadruple? may you not quadruple? may she not quadruple? may we not quadruple? may you not quadruple? may they not quadruple?
V-ing form
may I not be quadrupling? may you not be quadrupling? may she not be quadrupling? may we not be quadrupling? may you not be quadrupling? may they not be quadrupling?
Perfect
may I not have quadrupled? may you not have quadrupled? may she not have quadrupled? may we not have quadrupled? may you not have quadrupled? may they not have quadrupled?
V-ing perfect
may I not have been quadrupling? may you not have been quadrupling? may she not have been quadrupling? may we not have been quadrupling? may you not have been quadrupling? may they not have been quadrupling?