English verb conjugation
SHOULD SECOND-GUESS

Regular verb: second-guess - second-guessed - second-guessed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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