English verb conjugation
SHOULD TOUCH

Regular verb: touch - touched - touched

Affirmation

Simple form	V-ing form
I should touch you should touch he should touch we should touch you should touch they should touch	I should be touching you should be touching he should be touching we should be touching you should be touching they should be touching
Perfect	V-ing perfect
I should have touched you should have touched he should have touched we should have touched you should have touched they should have touched	I should have been touching you should have been touching he should have been touching we should have been touching you should have been touching they should have been touching

Negation

Simple form	V-ing form
I should not touch you should not touch he should not touch we should not touch you should not touch they should not touch	I should not be touching you should not be touching he should not be touching we should not be touching you should not be touching they should not be touching
Perfect	V-ing perfect
I should not have touched you should not have touched he should not have touched we should not have touched you should not have touched they should not have touched	I should not have been touching you should not have been touching he should not have been touching we should not have been touching you should not have been touching they should not have been touching

Interrogative form

Simple form	V-ing form
should I touch? should you touch? should he touch? should we touch? should you touch? should they touch?	should I be touching? should you be touching? should he be touching? should we be touching? should you be touching? should they be touching?
Perfect	V-ing perfect
should I have touched? should you have touched? should he have touched? should we have touched? should you have touched? should they have touched?	should I have been touching? should you have been touching? should he have been touching? should we have been touching? should you have been touching? should they have been touching?

Interro-negative form

Simple form	V-ing form
should I not touch? should you not touch? should he not touch? should we not touch? should you not touch? should they not touch?	should I not be touching? should you not be touching? should he not be touching? should we not be touching? should you not be touching? should they not be touching?
Perfect	V-ing perfect
should I not have touched? should you not have touched? should he not have touched? should we not have touched? should you not have touched? should they not have touched?	should I not have been touching? should you not have been touching? should he not have been touching? should we not have been touching? should you not have been touching? should they not have been touching?