English verb conjugation
SHOULD PIPE

Regular verb: pipe - piped - piped

Affirmation

Simple form	V-ing form
I should pipe you should pipe she should pipe we should pipe you should pipe they should pipe	I should be piping you should be piping she should be piping we should be piping you should be piping they should be piping
Perfect	V-ing perfect
I should have piped you should have piped she should have piped we should have piped you should have piped they should have piped	I should have been piping you should have been piping she should have been piping we should have been piping you should have been piping they should have been piping

Negation

Simple form	V-ing form
I should not pipe you should not pipe she should not pipe we should not pipe you should not pipe they should not pipe	I should not be piping you should not be piping she should not be piping we should not be piping you should not be piping they should not be piping
Perfect	V-ing perfect
I should not have piped you should not have piped she should not have piped we should not have piped you should not have piped they should not have piped	I should not have been piping you should not have been piping she should not have been piping we should not have been piping you should not have been piping they should not have been piping

Interrogative form

Simple form	V-ing form
should I pipe? should you pipe? should she pipe? should we pipe? should you pipe? should they pipe?	should I be piping? should you be piping? should she be piping? should we be piping? should you be piping? should they be piping?
Perfect	V-ing perfect
should I have piped? should you have piped? should she have piped? should we have piped? should you have piped? should they have piped?	should I have been piping? should you have been piping? should she have been piping? should we have been piping? should you have been piping? should they have been piping?

Interro-negative form

Simple form	V-ing form
should I not pipe? should you not pipe? should she not pipe? should we not pipe? should you not pipe? should they not pipe?	should I not be piping? should you not be piping? should she not be piping? should we not be piping? should you not be piping? should they not be piping?
Perfect	V-ing perfect
should I not have piped? should you not have piped? should she not have piped? should we not have piped? should you not have piped? should they not have piped?	should I not have been piping? should you not have been piping? should she not have been piping? should we not have been piping? should you not have been piping? should they not have been piping?