I'd be quadrupling you'd be quadrupling he'd be quadrupling we'd be quadrupling you'd be quadrupling they'd be quadrupling
Perfect
I should've quadrupled you should've quadrupled he should've quadrupled we should've quadrupled you should've quadrupled they should've quadrupled
V-ing perfect
I should've been quadrupling you should've been quadrupling he should've been quadrupling we should've been quadrupling you should've been quadrupling they should've been quadrupling
Negation
Simple form
I shouldn't quadruple you shouldn't quadruple he shouldn't quadruple we shouldn't quadruple you shouldn't quadruple they shouldn't quadruple
V-ing form
I shouldn't be quadrupling you shouldn't be quadrupling he shouldn't be quadrupling we shouldn't be quadrupling you shouldn't be quadrupling they shouldn't be quadrupling
Perfect
I shouldn't have quadrupled you shouldn't have quadrupled he shouldn't have quadrupled we shouldn't have quadrupled you shouldn't have quadrupled they shouldn't have quadrupled
V-ing perfect
I shouldn't have been quadrupling you shouldn't have been quadrupling he shouldn't have been quadrupling we shouldn't have been quadrupling you shouldn't have been quadrupling they shouldn't have been quadrupling
Interrogative form
Simple form
should I quadruple? should you quadruple? should he quadruple? should we quadruple? should you quadruple? should they quadruple?
V-ing form
should I be quadrupling? should you be quadrupling? should he be quadrupling? should we be quadrupling? should you be quadrupling? should they be quadrupling?
Perfect
should I have quadrupled? should you have quadrupled? should he have quadrupled? should we have quadrupled? should you have quadrupled? should they have quadrupled?
V-ing perfect
should I have been quadrupling? should you have been quadrupling? should he have been quadrupling? should we have been quadrupling? should you have been quadrupling? should they have been quadrupling?
Interro-negative form
Simple form
shouldn't I quadruple? shouldn't you quadruple? shouldn't he quadruple? shouldn't we quadruple? shouldn't you quadruple? shouldn't they quadruple?
V-ing form
shouldn't I be quadrupling? shouldn't you be quadrupling? shouldn't he be quadrupling? shouldn't we be quadrupling? shouldn't you be quadrupling? shouldn't they be quadrupling?
Perfect
shouldn't I have quadrupled? shouldn't you have quadrupled? shouldn't he have quadrupled? shouldn't we have quadrupled? shouldn't you have quadrupled? shouldn't they have quadrupled?
V-ing perfect
shouldn't I have been quadrupling? shouldn't you have been quadrupling? shouldn't he have been quadrupling? shouldn't we have been quadrupling? shouldn't you have been quadrupling? shouldn't they have been quadrupling?