shall straiten
Verbo regular: straiten - straitened- straitened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall straiten
you shall straiten
he shall straiten
we shall straiten
you shall straiten
they shall straiten 	I shall be straitening
you shall be straitening
he shall be straitening
we shall be straitening
you shall be straitening
they shall be straitening	I shall have straitened
you shall have straitened
he shall have straitened
we shall have straitened
you shall have straitened
they shall have straitened	I shall have been straitening
you shall have been straitening
he shall have been straitening
we shall have been straitening
you shall have been straitening
they shall have been straitening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shall not straiten
you shall not straiten
he shall not straiten
we shall not straiten
you shall not straiten
they shall not straiten 	I shall not be straitening
you shall not be straitening
he shall not be straitening
we shall not be straitening
you shall not be straitening
they shall not be straitening	I shall not have straitened
you shall not have straitened
he shall not have straitened
we shall not have straitened
you shall not have straitened
they shall not have straitened	I shall not have been straitening
you shall not have been straitening
he shall not have been straitening
we shall not have been straitening
you shall not have been straitening
they shall not have been straitening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I straiten?
shall you straiten?
shall he straiten?
shall we straiten?
shall you straiten?
shall they straiten? 	shall I be straitening?
shall you be straitening?
shall he be straitening?
shall we be straitening?
shall you be straitening?
shall they be straitening? 	shall I have straitened?
shall you have straitened?
shall he have straitened?
shall we have straitened?
shall you have straitened?
shall they have straitened? 	shall I have been straitening?
shall you have been straitening?
shall he have been straitening?
shall we have been straitening?
shall you have been straitening?
shall they have been straitening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shall I not straiten?
shall you not straiten?
shall he not straiten?
shall we not straiten?
shall you not straiten?
shall they not straiten? 	shall I not be straitening?
shall you not be straitening?
shall he not be straitening?
shall we not be straitening?
shall you not be straitening?
shall they not be straitening? 	shall I not have straitened?
shall you not have straitened?
shall he not have straitened?
shall we not have straitened?
shall you not have straitened?
shall they not have straitened? 	shall I not have been straitening?
shall you not have been straitening?
shall he not have been straitening?
shall we not have been straitening?
shall you not have been straitening?
shall they not have been straitening?