English verb conjugation
SHOULD STILL

Regular verb: still - stilled - stilled

Affirmation

Simple form	V-ing form
I'd still you'd still he'd still we'd still you'd still they'd still	I'd be stilling you'd be stilling he'd be stilling we'd be stilling you'd be stilling they'd be stilling
Perfect	V-ing perfect
I should've stilled you should've stilled he should've stilled we should've stilled you should've stilled they should've stilled	I should've been stilling you should've been stilling he should've been stilling we should've been stilling you should've been stilling they should've been stilling

Negation

Simple form	V-ing form
I shouldn't still you shouldn't still he shouldn't still we shouldn't still you shouldn't still they shouldn't still	I shouldn't be stilling you shouldn't be stilling he shouldn't be stilling we shouldn't be stilling you shouldn't be stilling they shouldn't be stilling
Perfect	V-ing perfect
I shouldn't have stilled you shouldn't have stilled he shouldn't have stilled we shouldn't have stilled you shouldn't have stilled they shouldn't have stilled	I shouldn't have been stilling you shouldn't have been stilling he shouldn't have been stilling we shouldn't have been stilling you shouldn't have been stilling they shouldn't have been stilling

Interrogative form

Simple form	V-ing form
should I still? should you still? should he still? should we still? should you still? should they still?	should I be stilling? should you be stilling? should he be stilling? should we be stilling? should you be stilling? should they be stilling?
Perfect	V-ing perfect
should I have stilled? should you have stilled? should he have stilled? should we have stilled? should you have stilled? should they have stilled?	should I have been stilling? should you have been stilling? should he have been stilling? should we have been stilling? should you have been stilling? should they have been stilling?

Interro-negative form

Simple form	V-ing form
shouldn't I still? shouldn't you still? shouldn't he still? shouldn't we still? shouldn't you still? shouldn't they still?	shouldn't I be stilling? shouldn't you be stilling? shouldn't he be stilling? shouldn't we be stilling? shouldn't you be stilling? shouldn't they be stilling?
Perfect	V-ing perfect
shouldn't I have stilled? shouldn't you have stilled? shouldn't he have stilled? shouldn't we have stilled? shouldn't you have stilled? shouldn't they have stilled?	shouldn't I have been stilling? shouldn't you have been stilling? shouldn't he have been stilling? shouldn't we have been stilling? shouldn't you have been stilling? shouldn't they have been stilling?