English verb conjugation
SHOULD TINKER

Regular verb: tinker - tinkered - tinkered

Affirmation

Simple form	V-ing form
I'd tinker you'd tinker he'd tinker we'd tinker you'd tinker they'd tinker	I'd be tinkering you'd be tinkering he'd be tinkering we'd be tinkering you'd be tinkering they'd be tinkering
Perfect	V-ing perfect
I should've tinkered you should've tinkered he should've tinkered we should've tinkered you should've tinkered they should've tinkered	I should've been tinkering you should've been tinkering he should've been tinkering we should've been tinkering you should've been tinkering they should've been tinkering

Negation

Simple form	V-ing form
I shouldn't tinker you shouldn't tinker he shouldn't tinker we shouldn't tinker you shouldn't tinker they shouldn't tinker	I shouldn't be tinkering you shouldn't be tinkering he shouldn't be tinkering we shouldn't be tinkering you shouldn't be tinkering they shouldn't be tinkering
Perfect	V-ing perfect
I shouldn't have tinkered you shouldn't have tinkered he shouldn't have tinkered we shouldn't have tinkered you shouldn't have tinkered they shouldn't have tinkered	I shouldn't have been tinkering you shouldn't have been tinkering he 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	V-ing form
should I tinker? should you tinker? should he tinker? should we tinker? should you tinker? should they tinker?	should I be tinkering? should you be tinkering? should he be tinkering? should we be tinkering? should you be tinkering? should they be tinkering?
Perfect	V-ing perfect
should I have tinkered? should you have tinkered? should he have tinkered? should we have tinkered? should you have tinkered? should they have tinkered?	should I have been tinkering? should you have been tinkering? should he have been tinkering? should we have been tinkering? should you have been tinkering? should they have been tinkering?

Interro-negative form

Simple form	V-ing form
shouldn't I tinker? shouldn't you tinker? shouldn't he tinker? shouldn't we tinker? shouldn't you tinker? shouldn't they tinker?	shouldn't I be tinkering? shouldn't you be tinkering? shouldn't he be tinkering? shouldn't we be tinkering? shouldn't you be tinkering? shouldn't they be tinkering?
Perfect	V-ing perfect
shouldn't I have tinkered? shouldn't you have tinkered? shouldn't he have tinkered? shouldn't we have tinkered? shouldn't you have tinkered? shouldn't they have tinkered?	shouldn't I have been tinkering? shouldn't you have been tinkering? shouldn't he have been tinkering? shouldn't we have been tinkering? shouldn't you have been tinkering? shouldn't they have been tinkering?