English verb conjugation
SHOULD TILLER

Regular verb: tiller - tillered - tillered

Affirmation

Simple form	V-ing form
I should tiller you should tiller he should tiller we should tiller you should tiller they should tiller	I should be tillering you should be tillering he should be tillering we should be tillering you should be tillering they should be tillering
Perfect	V-ing perfect
I should have tillered you should have tillered he should have tillered we should have tillered you should have tillered they should have tillered	I should have been tillering you should have been tillering he should have been tillering we should have been tillering you should have been tillering they should have been tillering

Negation

Simple form	V-ing form
I should not tiller you should not tiller he should not tiller we should not tiller you should not tiller they should not tiller	I should not be tillering you should not be tillering he should not be tillering we should not be tillering you should not be tillering they should not be tillering
Perfect	V-ing perfect
I should not have tillered you should not have tillered he should not have tillered we should not have tillered you should not have tillered they should not have tillered	I should not have been tillering you should not have been tillering he should not have been tillering we should not have been tillering you should not have been tillering they should not have been tillering

Interrogative form

Simple form	V-ing form
should I tiller? should you tiller? should he tiller? should we tiller? should you tiller? should they tiller?	should I be tillering? should you be tillering? should he be tillering? should we be tillering? should you be tillering? should they be tillering?
Perfect	V-ing perfect
should I have tillered? should you have tillered? should he have tillered? should we have tillered? should you have tillered? should they have tillered?	should I have been tillering? should you have been tillering? should he have been tillering? should we have been tillering? should you have been tillering? should they have been tillering?

Interro-negative form

Simple form	V-ing form
should I not tiller? should you not tiller? should he not tiller? should we not tiller? should you not tiller? should they not tiller?	should I not be tillering? should you not be tillering? should he not be tillering? should we not be tillering? should you not be tillering? should they not be tillering?
Perfect	V-ing perfect
should I not have tillered? should you not have tillered? should he not have tillered? should we not have tillered? should you not have tillered? should they not have tillered?	should I not have been tillering? should you not have been tillering? should he not have been tillering? should we not have been tillering? should you not have been tillering? should they not have been tillering?