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

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd second-guess
you'd second-guess
she'd second-guess
we'd second-guess
you'd second-guess
they'd second-guess 	I'd be second-guessing
you'd be second-guessing
she'd be second-guessing
we'd be second-guessing
you'd be second-guessing
they'd be second-guessing	I should've second-guessed
you should've second-guessed
she should've second-guessed
we should've second-guessed
you should've second-guessed
they should've second-guessed	I should've been second-guessing
you should've been second-guessing
she should've been second-guessing
we should've been second-guessing
you should've been second-guessing
they should've been second-guessing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't second-guess
you shouldn't second-guess
she shouldn't second-guess
we shouldn't second-guess
you shouldn't second-guess
they shouldn't second-guess 	I shouldn't be second-guessing
you shouldn't be second-guessing
she shouldn't be second-guessing
we shouldn't be second-guessing
you shouldn't be second-guessing
they shouldn't be second-guessing	I shouldn't have second-guessed
you shouldn't have second-guessed
she shouldn't have second-guessed
we shouldn't have second-guessed
you shouldn't have second-guessed
they shouldn't have second-guessed	I shouldn't have been second-guessing
you shouldn't have been second-guessing
she shouldn't have been second-guessing
we shouldn't have been second-guessing
you shouldn't have been second-guessing
they shouldn't have been second-guessing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I second-guess?
should you second-guess?
should she 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 she be second-guessing?
should we be second-guessing?
should you be second-guessing?
should they be second-guessing? 	should I have second-guessed?
should you have second-guessed?
should she 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 she 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 	Perfect 	V-ing perfect 	
shouldn't I second-guess?
shouldn't you second-guess?
shouldn't she second-guess?
shouldn't we second-guess?
shouldn't you second-guess?
shouldn't they second-guess? 	shouldn't I be second-guessing?
shouldn't you be second-guessing?
shouldn't she be second-guessing?
shouldn't we be second-guessing?
shouldn't you be second-guessing?
shouldn't they be second-guessing? 	shouldn't I have second-guessed?
shouldn't you have second-guessed?
shouldn't she have second-guessed?
shouldn't we have second-guessed?
shouldn't you have second-guessed?
shouldn't they have second-guessed? 	shouldn't I have been second-guessing?
shouldn't you have been second-guessing?
shouldn't she have been second-guessing?
shouldn't we have been second-guessing?
shouldn't you have been second-guessing?
shouldn't they have been second-guessing?