I'd be drumming you'd be drumming she'd be drumming we'd be drumming you'd be drumming they'd be drumming
Perfect
I should've drummed you should've drummed she should've drummed we should've drummed you should've drummed they should've drummed
V-ing perfect
I should've been drumming you should've been drumming she should've been drumming we should've been drumming you should've been drumming they should've been drumming
Negation
Simple form
I shouldn't drum you shouldn't drum she shouldn't drum we shouldn't drum you shouldn't drum they shouldn't drum
V-ing form
I shouldn't be drumming you shouldn't be drumming she shouldn't be drumming we shouldn't be drumming you shouldn't be drumming they shouldn't be drumming
Perfect
I shouldn't have drummed you shouldn't have drummed she shouldn't have drummed we shouldn't have drummed you shouldn't have drummed they shouldn't have drummed
V-ing perfect
I shouldn't have been drumming you shouldn't have been drumming she shouldn't have been drumming we shouldn't have been drumming you shouldn't have been drumming they shouldn't have been drumming
Interrogative form
Simple form
should I drum? should you drum? should she drum? should we drum? should you drum? should they drum?
V-ing form
should I be drumming? should you be drumming? should she be drumming? should we be drumming? should you be drumming? should they be drumming?
Perfect
should I have drummed? should you have drummed? should she have drummed? should we have drummed? should you have drummed? should they have drummed?
V-ing perfect
should I have been drumming? should you have been drumming? should she have been drumming? should we have been drumming? should you have been drumming? should they have been drumming?
Interro-negative form
Simple form
shouldn't I drum? shouldn't you drum? shouldn't she drum? shouldn't we drum? shouldn't you drum? shouldn't they drum?
V-ing form
shouldn't I be drumming? shouldn't you be drumming? shouldn't she be drumming? shouldn't we be drumming? shouldn't you be drumming? shouldn't they be drumming?
Perfect
shouldn't I have drummed? shouldn't you have drummed? shouldn't she have drummed? shouldn't we have drummed? shouldn't you have drummed? shouldn't they have drummed?
V-ing perfect
shouldn't I have been drumming? shouldn't you have been drumming? shouldn't she have been drumming? shouldn't we have been drumming? shouldn't you have been drumming? shouldn't they have been drumming?