shall underheat
Verbo regular: underheat - underheated- underheated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall underheat
you shall underheat
he shall underheat
we shall underheat
you shall underheat
they shall underheat 	I shall be underheating
you shall be underheating
he shall be underheating
we shall be underheating
you shall be underheating
they shall be underheating	I shall have underheated
you shall have underheated
he shall have underheated
we shall have underheated
you shall have underheated
they shall have underheated	I shall have been underheating
you shall have been underheating
he shall have been underheating
we shall have been underheating
you shall have been underheating
they shall have been underheating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall not underheat
you shall not underheat
he shall not underheat
we shall not underheat
you shall not underheat
they shall not underheat 	I shall not be underheating
you shall not be underheating
he shall not be underheating
we shall not be underheating
you shall not be underheating
they shall not be underheating	I shall not have underheated
you shall not have underheated
he shall not have underheated
we shall not have underheated
you shall not have underheated
they shall not have underheated	I shall not have been underheating
you shall not have been underheating
he shall not have been underheating
we shall not have been underheating
you shall not have been underheating
they shall not have been underheating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I underheat?
shall you underheat?
shall he underheat?
shall we underheat?
shall you underheat?
shall they underheat? 	shall I be underheating?
shall you be underheating?
shall he be underheating?
shall we be underheating?
shall you be underheating?
shall they be underheating? 	shall I have underheated?
shall you have underheated?
shall he have underheated?
shall we have underheated?
shall you have underheated?
shall they have underheated? 	shall I have been underheating?
shall you have been underheating?
shall he have been underheating?
shall we have been underheating?
shall you have been underheating?
shall they have been underheating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I not underheat?
shall you not underheat?
shall he not underheat?
shall we not underheat?
shall you not underheat?
shall they not underheat? 	shall I not be underheating?
shall you not be underheating?
shall he not be underheating?
shall we not be underheating?
shall you not be underheating?
shall they not be underheating? 	shall I not have underheated?
shall you not have underheated?
shall he not have underheated?
shall we not have underheated?
shall you not have underheated?
shall they not have underheated? 	shall I not have been underheating?
shall you not have been underheating?
shall he not have been underheating?
shall we not have been underheating?
shall you not have been underheating?
shall they not have been underheating?