should underachieve
Verbo regular: underachieve - underachieved- underachieved

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should underachieve
you should underachieve
he should underachieve
we should underachieve
you should underachieve
they should underachieve 	I should be underachieving
you should be underachieving
he should be underachieving
we should be underachieving
you should be underachieving
they should be underachieving	I should have underachieved
you should have underachieved
he should have underachieved
we should have underachieved
you should have underachieved
they should have underachieved	I should have been underachieving
you should have been underachieving
he should have been underachieving
we should have been underachieving
you should have been underachieving
they should have been underachieving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not underachieve
you should not underachieve
he should not underachieve
we should not underachieve
you should not underachieve
they should not underachieve 	I should not be underachieving
you should not be underachieving
he should not be underachieving
we should not be underachieving
you should not be underachieving
they should not be underachieving	I should not have underachieved
you should not have underachieved
he should not have underachieved
we should not have underachieved
you should not have underachieved
they should not have underachieved	I should not have been underachieving
you should not have been underachieving
he should not have been underachieving
we should not have been underachieving
you should not have been underachieving
they should not have been underachieving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I underachieve?
should you underachieve?
should he underachieve?
should we underachieve?
should you underachieve?
should they underachieve? 	should I be underachieving?
should you be underachieving?
should he be underachieving?
should we be underachieving?
should you be underachieving?
should they be underachieving? 	should I have underachieved?
should you have underachieved?
should he have underachieved?
should we have underachieved?
should you have underachieved?
should they have underachieved? 	should I have been underachieving?
should you have been underachieving?
should he have been underachieving?
should we have been underachieving?
should you have been underachieving?
should they have been underachieving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not underachieve?
should you not underachieve?
should he not underachieve?
should we not underachieve?
should you not underachieve?
should they not underachieve? 	should I not be underachieving?
should you not be underachieving?
should he not be underachieving?
should we not be underachieving?
should you not be underachieving?
should they not be underachieving? 	should I not have underachieved?
should you not have underachieved?
should he not have underachieved?
should we not have underachieved?
should you not have underachieved?
should they not have underachieved? 	should I not have been underachieving?
should you not have been underachieving?
should he not have been underachieving?
should we not have been underachieving?
should you not have been underachieving?
should they not have been underachieving?