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