shall purchase
Verbo regular: purchase - purchased- purchased

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall purchase
you shall purchase
he shall purchase
we shall purchase
you shall purchase
they shall purchase 	I shall be purchasing
you shall be purchasing
he shall be purchasing
we shall be purchasing
you shall be purchasing
they shall be purchasing	I shall have purchased
you shall have purchased
he shall have purchased
we shall have purchased
you shall have purchased
they shall have purchased	I shall have been purchasing
you shall have been purchasing
he shall have been purchasing
we shall have been purchasing
you shall have been purchasing
they shall have been purchasing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall not purchase
you shall not purchase
he shall not purchase
we shall not purchase
you shall not purchase
they shall not purchase 	I shall not be purchasing
you shall not be purchasing
he shall not be purchasing
we shall not be purchasing
you shall not be purchasing
they shall not be purchasing	I shall not have purchased
you shall not have purchased
he shall not have purchased
we shall not have purchased
you shall not have purchased
they shall not have purchased	I shall not have been purchasing
you shall not have been purchasing
he shall not have been purchasing
we shall not have been purchasing
you shall not have been purchasing
they shall not have been purchasing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I purchase?
shall you purchase?
shall he purchase?
shall we purchase?
shall you purchase?
shall they purchase? 	shall I be purchasing?
shall you be purchasing?
shall he be purchasing?
shall we be purchasing?
shall you be purchasing?
shall they be purchasing? 	shall I have purchased?
shall you have purchased?
shall he have purchased?
shall we have purchased?
shall you have purchased?
shall they have purchased? 	shall I have been purchasing?
shall you have been purchasing?
shall he have been purchasing?
shall we have been purchasing?
shall you have been purchasing?
shall they have been purchasing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I not purchase?
shall you not purchase?
shall he not purchase?
shall we not purchase?
shall you not purchase?
shall they not purchase? 	shall I not be purchasing?
shall you not be purchasing?
shall he not be purchasing?
shall we not be purchasing?
shall you not be purchasing?
shall they not be purchasing? 	shall I not have purchased?
shall you not have purchased?
shall he not have purchased?
shall we not have purchased?
shall you not have purchased?
shall they not have purchased? 	shall I not have been purchasing?
shall you not have been purchasing?
shall he not have been purchasing?
shall we not have been purchasing?
shall you not have been purchasing?
shall they not have been purchasing?