shall undertain
Verbo regular: undertain - undertained- undertained

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall undertain
you shall undertain
he shall undertain
we shall undertain
you shall undertain
they shall undertain 	I shall be undertaining
you shall be undertaining
he shall be undertaining
we shall be undertaining
you shall be undertaining
they shall be undertaining	I shall have undertained
you shall have undertained
he shall have undertained
we shall have undertained
you shall have undertained
they shall have undertained	I shall have been undertaining
you shall have been undertaining
he shall have been undertaining
we shall have been undertaining
you shall have been undertaining
they shall have been undertaining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall not undertain
you shall not undertain
he shall not undertain
we shall not undertain
you shall not undertain
they shall not undertain 	I shall not be undertaining
you shall not be undertaining
he shall not be undertaining
we shall not be undertaining
you shall not be undertaining
they shall not be undertaining	I shall not have undertained
you shall not have undertained
he shall not have undertained
we shall not have undertained
you shall not have undertained
they shall not have undertained	I shall not have been undertaining
you shall not have been undertaining
he shall not have been undertaining
we shall not have been undertaining
you shall not have been undertaining
they shall not have been undertaining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I undertain?
shall you undertain?
shall he undertain?
shall we undertain?
shall you undertain?
shall they undertain? 	shall I be undertaining?
shall you be undertaining?
shall he be undertaining?
shall we be undertaining?
shall you be undertaining?
shall they be undertaining? 	shall I have undertained?
shall you have undertained?
shall he have undertained?
shall we have undertained?
shall you have undertained?
shall they have undertained? 	shall I have been undertaining?
shall you have been undertaining?
shall he have been undertaining?
shall we have been undertaining?
shall you have been undertaining?
shall they have been undertaining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I not undertain?
shall you not undertain?
shall he not undertain?
shall we not undertain?
shall you not undertain?
shall they not undertain? 	shall I not be undertaining?
shall you not be undertaining?
shall he not be undertaining?
shall we not be undertaining?
shall you not be undertaining?
shall they not be undertaining? 	shall I not have undertained?
shall you not have undertained?
shall he not have undertained?
shall we not have undertained?
shall you not have undertained?
shall they not have undertained? 	shall I not have been undertaining?
shall you not have been undertaining?
shall he not have been undertaining?
shall we not have been undertaining?
shall you not have been undertaining?
shall they not have been undertaining?