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

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

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

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

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