English verb conjugation
SHOULD STILL

Regular verb: still - stilled - stilled

Affirmation

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

Negation

Simple form	V-ing form
I should not still you should not still he should not still we should not still you should not still they should not still	I should not be stilling you should not be stilling he should not be stilling we should not be stilling you should not be stilling they should not be stilling
Perfect	V-ing perfect
I should not have stilled you should not have stilled he should not have stilled we should not have stilled you should not have stilled they should not have stilled	I should not have been stilling you should not have been stilling he should not have been stilling we should not have been stilling you should not have been stilling they should not 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
should I not still? should you not still? should he not still? should we not still? should you not still? should they not still?	should I not be stilling? should you not be stilling? should he not be stilling? should we not be stilling? should you not be stilling? should they not be stilling?
Perfect	V-ing perfect
should I not have stilled? should you not have stilled? should he not have stilled? should we not have stilled? should you not have stilled? should they not have stilled?	should I not have been stilling? should you not have been stilling? should he not have been stilling? should we not have been stilling? should you not have been stilling? should they not have been stilling?