I may quintuple you may quintuple he may quintuple we may quintuple you may quintuple they may quintuple
V-ing form
I may be quintupling you may be quintupling he may be quintupling we may be quintupling you may be quintupling they may be quintupling
Perfect
I may have quintupled you may have quintupled he may have quintupled we may have quintupled you may have quintupled they may have quintupled
V-ing perfect
I may have been quintupling you may have been quintupling he may have been quintupling we may have been quintupling you may have been quintupling they may have been quintupling
Negation
Simple form
I may not quintuple you may not quintuple he may not quintuple we may not quintuple you may not quintuple they may not quintuple
V-ing form
I may not be quintupling you may not be quintupling he may not be quintupling we may not be quintupling you may not be quintupling they may not be quintupling
Perfect
I may not have quintupled you may not have quintupled he may not have quintupled we may not have quintupled you may not have quintupled they may not have quintupled
V-ing perfect
I may not have been quintupling you may not have been quintupling he may not have been quintupling we may not have been quintupling you may not have been quintupling they may not have been quintupling
Interrogative form
Simple form
may I quintuple? may you quintuple? may he quintuple? may we quintuple? may you quintuple? may they quintuple?
V-ing form
may I be quintupling? may you be quintupling? may he be quintupling? may we be quintupling? may you be quintupling? may they be quintupling?
Perfect
may I have quintupled? may you have quintupled? may he have quintupled? may we have quintupled? may you have quintupled? may they have quintupled?
V-ing perfect
may I have been quintupling? may you have been quintupling? may he have been quintupling? may we have been quintupling? may you have been quintupling? may they have been quintupling?
Interro-negative form
Simple form
may I not quintuple? may you not quintuple? may he not quintuple? may we not quintuple? may you not quintuple? may they not quintuple?
V-ing form
may I not be quintupling? may you not be quintupling? may he not be quintupling? may we not be quintupling? may you not be quintupling? may they not be quintupling?
Perfect
may I not have quintupled? may you not have quintupled? may he not have quintupled? may we not have quintupled? may you not have quintupled? may they not have quintupled?
V-ing perfect
may I not have been quintupling? may you not have been quintupling? may he not have been quintupling? may we not have been quintupling? may you not have been quintupling? may they not have been quintupling?