English verb conjugation
SHOULD SANDPAPER

Regular verb: sandpaper - sandpapered - sandpapered

Affirmation

Simple form	V-ing form
I should sandpaper you should sandpaper he should sandpaper we should sandpaper you should sandpaper they should sandpaper	I should be sandpapering you should be sandpapering he should be sandpapering we should be sandpapering you should be sandpapering they should be sandpapering
Perfect	V-ing perfect
I should have sandpapered you should have sandpapered he should have sandpapered we should have sandpapered you should have sandpapered they should have sandpapered	I should have been sandpapering you should have been sandpapering he should have been sandpapering we should have been sandpapering you should have been sandpapering they should have been sandpapering

Negation

Simple form	V-ing form
I should not sandpaper you should not sandpaper he should not sandpaper we should not sandpaper you should not sandpaper they should not sandpaper	I should not be sandpapering you should not be sandpapering he should not be sandpapering we should not be sandpapering you should not be sandpapering they should not be sandpapering
Perfect	V-ing perfect
I should not have sandpapered you should not have sandpapered he should not have sandpapered we should not have sandpapered you should not have sandpapered they should not have sandpapered	I should not have been sandpapering you should not have been sandpapering he should not have been sandpapering we should not have been sandpapering you should not have been sandpapering they should not have been sandpapering

Interrogative form

Simple form	V-ing form
should I sandpaper? should you sandpaper? should he sandpaper? should we sandpaper? should you sandpaper? should they sandpaper?	should I be sandpapering? should you be sandpapering? should he be sandpapering? should we be sandpapering? should you be sandpapering? should they be sandpapering?
Perfect	V-ing perfect
should I have sandpapered? should you have sandpapered? should he have sandpapered? should we have sandpapered? should you have sandpapered? should they have sandpapered?	should I have been sandpapering? should you have been sandpapering? should he have been sandpapering? should we have been sandpapering? should you have been sandpapering? should they have been sandpapering?

Interro-negative form

Simple form	V-ing form
should I not sandpaper? should you not sandpaper? should he not sandpaper? should we not sandpaper? should you not sandpaper? should they not sandpaper?	should I not be sandpapering? should you not be sandpapering? should he not be sandpapering? should we not be sandpapering? should you not be sandpapering? should they not be sandpapering?
Perfect	V-ing perfect
should I not have sandpapered? should you not have sandpapered? should he not have sandpapered? should we not have sandpapered? should you not have sandpapered? should they not have sandpapered?	should I not have been sandpapering? should you not have been sandpapering? should he not have been sandpapering? should we not have been sandpapering? should you not have been sandpapering? should they not have been sandpapering?