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