will underperform
Verbo regular: underperform - underperformed- underperformed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I will underperform
you will underperform
he will underperform
we will underperform
you will underperform
they will underperform 	I will be underperforming
you will be underperforming
he will be underperforming
we will be underperforming
you will be underperforming
they will be underperforming	I will have underperformed
you will have underperformed
he will have underperformed
we will have underperformed
you will have underperformed
they will have underperformed	I will have been underperforming
you will have been underperforming
he will have been underperforming
we will have been underperforming
you will have been underperforming
they will have been underperforming	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I will not underperform
you will not underperform
he will not underperform
we will not underperform
you will not underperform
they will not underperform 	I will not be underperforming
you will not be underperforming
he will not be underperforming
we will not be underperforming
you will not be underperforming
they will not be underperforming	I will not have underperformed
you will not have underperformed
he will not have underperformed
we will not have underperformed
you will not have underperformed
they will not have underperformed	I will not have been underperforming
you will not have been underperforming
he will not have been underperforming
we will not have been underperforming
you will not have been underperforming
they will not have been underperforming	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
will I underperform?
will you underperform?
will he underperform?
will we underperform?
will you underperform?
will they underperform? 	will I be underperforming?
will you be underperforming?
will he be underperforming?
will we be underperforming?
will you be underperforming?
will they be underperforming? 	will I have underperformed?
will you have underperformed?
will he have underperformed?
will we have underperformed?
will you have underperformed?
will they have underperformed? 	will I have been underperforming?
will you have been underperforming?
will he have been underperforming?
will we have been underperforming?
will you have been underperforming?
will they have been underperforming? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
will I not underperform?
will you not underperform?
will he not underperform?
will we not underperform?
will you not underperform?
will they not underperform? 	will I not be underperforming?
will you not be underperforming?
will he not be underperforming?
will we not be underperforming?
will you not be underperforming?
will they not be underperforming? 	will I not have underperformed?
will you not have underperformed?
will he not have underperformed?
will we not have underperformed?
will you not have underperformed?
will they not have underperformed? 	will I not have been underperforming?
will you not have been underperforming?
will he not have been underperforming?
will we not have been underperforming?
will you not have been underperforming?
will they not have been underperforming?