shall subtract
Verbo regular: subtract - subtracted- subtracted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shall subtract
you shall subtract
he shall subtract
we shall subtract
you shall subtract
they shall subtract 	I shall be subtracting
you shall be subtracting
he shall be subtracting
we shall be subtracting
you shall be subtracting
they shall be subtracting	I shall have subtracted
you shall have subtracted
he shall have subtracted
we shall have subtracted
you shall have subtracted
they shall have subtracted	I shall have been subtracting
you shall have been subtracting
he shall have been subtracting
we shall have been subtracting
you shall have been subtracting
they shall have been subtracting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shall not subtract
you shall not subtract
he shall not subtract
we shall not subtract
you shall not subtract
they shall not subtract 	I shall not be subtracting
you shall not be subtracting
he shall not be subtracting
we shall not be subtracting
you shall not be subtracting
they shall not be subtracting	I shall not have subtracted
you shall not have subtracted
he shall not have subtracted
we shall not have subtracted
you shall not have subtracted
they shall not have subtracted	I shall not have been subtracting
you shall not have been subtracting
he shall not have been subtracting
we shall not have been subtracting
you shall not have been subtracting
they shall not have been subtracting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I subtract?
shall you subtract?
shall he subtract?
shall we subtract?
shall you subtract?
shall they subtract? 	shall I be subtracting?
shall you be subtracting?
shall he be subtracting?
shall we be subtracting?
shall you be subtracting?
shall they be subtracting? 	shall I have subtracted?
shall you have subtracted?
shall he have subtracted?
shall we have subtracted?
shall you have subtracted?
shall they have subtracted? 	shall I have been subtracting?
shall you have been subtracting?
shall he have been subtracting?
shall we have been subtracting?
shall you have been subtracting?
shall they have been subtracting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I not subtract?
shall you not subtract?
shall he not subtract?
shall we not subtract?
shall you not subtract?
shall they not subtract? 	shall I not be subtracting?
shall you not be subtracting?
shall he not be subtracting?
shall we not be subtracting?
shall you not be subtracting?
shall they not be subtracting? 	shall I not have subtracted?
shall you not have subtracted?
shall he not have subtracted?
shall we not have subtracted?
shall you not have subtracted?
shall they not have subtracted? 	shall I not have been subtracting?
shall you not have been subtracting?
shall he not have been subtracting?
shall we not have been subtracting?
shall you not have been subtracting?
shall they not have been subtracting?