English verb conjugation
SHOULD TWEAK

Regular verb: tweak - tweaked - tweaked

Affirmation

Simple form	V-ing form
I'd tweak you'd tweak he'd tweak we'd tweak you'd tweak they'd tweak	I'd be tweaking you'd be tweaking he'd be tweaking we'd be tweaking you'd be tweaking they'd be tweaking
Perfect	V-ing perfect
I should've tweaked you should've tweaked he should've tweaked we should've tweaked you should've tweaked they should've tweaked	I should've been tweaking you should've been tweaking he should've been tweaking we should've been tweaking you should've been tweaking they should've been tweaking

Negation

Simple form	V-ing form
I shouldn't tweak you shouldn't tweak he shouldn't tweak we shouldn't tweak you shouldn't tweak they shouldn't tweak	I shouldn't be tweaking you shouldn't be tweaking he shouldn't be tweaking we shouldn't be tweaking you shouldn't be tweaking they shouldn't be tweaking
Perfect	V-ing perfect
I shouldn't have tweaked you shouldn't have tweaked he shouldn't have tweaked we shouldn't have tweaked you shouldn't have tweaked they shouldn't have tweaked	I shouldn't have been tweaking you shouldn't have been tweaking he shouldn't have been tweaking we shouldn't have been tweaking you shouldn't have been tweaking they shouldn't have been tweaking

Interrogative form

Simple form	V-ing form
should I tweak? should you tweak? should he tweak? should we tweak? should you tweak? should they tweak?	should I be tweaking? should you be tweaking? should he be tweaking? should we be tweaking? should you be tweaking? should they be tweaking?
Perfect	V-ing perfect
should I have tweaked? should you have tweaked? should he have tweaked? should we have tweaked? should you have tweaked? should they have tweaked?	should I have been tweaking? should you have been tweaking? should he have been tweaking? should we have been tweaking? should you have been tweaking? should they have been tweaking?

Interro-negative form

Simple form	V-ing form
shouldn't I tweak? shouldn't you tweak? shouldn't he tweak? shouldn't we tweak? shouldn't you tweak? shouldn't they tweak?	shouldn't I be tweaking? shouldn't you be tweaking? shouldn't he be tweaking? shouldn't we be tweaking? shouldn't you be tweaking? shouldn't they be tweaking?
Perfect	V-ing perfect
shouldn't I have tweaked? shouldn't you have tweaked? shouldn't he have tweaked? shouldn't we have tweaked? shouldn't you have tweaked? shouldn't they have tweaked?	shouldn't I have been tweaking? shouldn't you have been tweaking? shouldn't he have been tweaking? shouldn't we have been tweaking? shouldn't you have been tweaking? shouldn't they have been tweaking?