English verb conjugation
SHOULD GUESS

Regular verb: guess - guessed - guessed

Affirmation

Simple form	V-ing form
I should guess you should guess she should guess we should guess you should guess they should guess	I should be guessing you should be guessing she should be guessing we should be guessing you should be guessing they should be guessing
Perfect	V-ing perfect
I should have guessed you should have guessed she should have guessed we should have guessed you should have guessed they should have guessed	I should have been guessing you should have been guessing she should have been guessing we should have been guessing you should have been guessing they should have been guessing

Negation

Simple form	V-ing form
I should not guess you should not guess she should not guess we should not guess you should not guess they should not guess	I should not be guessing you should not be guessing she should not be guessing we should not be guessing you should not be guessing they should not be guessing
Perfect	V-ing perfect
I should not have guessed you should not have guessed she should not have guessed we should not have guessed you should not have guessed they should not have guessed	I should not have been guessing you should not have been guessing she should not have been guessing we should not have been guessing you should not have been guessing they should not have been guessing

Interrogative form

Simple form	V-ing form
should I guess? should you guess? should she guess? should we guess? should you guess? should they guess?	should I be guessing? should you be guessing? should she be guessing? should we be guessing? should you be guessing? should they be guessing?
Perfect	V-ing perfect
should I have guessed? should you have guessed? should she have guessed? should we have guessed? should you have guessed? should they have guessed?	should I have been guessing? should you have been guessing? should she have been guessing? should we have been guessing? should you have been guessing? should they have been guessing?

Interro-negative form

Simple form	V-ing form
should I not guess? should you not guess? should she not guess? should we not guess? should you not guess? should they not guess?	should I not be guessing? should you not be guessing? should she not be guessing? should we not be guessing? should you not be guessing? should they not be guessing?
Perfect	V-ing perfect
should I not have guessed? should you not have guessed? should she not have guessed? should we not have guessed? should you not have guessed? should they not have guessed?	should I not have been guessing? should you not have been guessing? should she not have been guessing? should we not have been guessing? should you not have been guessing? should they not have been guessing?