shall tighten
Verbo regular: tighten - tightened- tightened

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shall tighten
you shall tighten
she shall tighten
we shall tighten
you shall tighten
they shall tighten 	I shall be tightening
you shall be tightening
she shall be tightening
we shall be tightening
you shall be tightening
they shall be tightening	I shall have tightened
you shall have tightened
she shall have tightened
we shall have tightened
you shall have tightened
they shall have tightened	I shall have been tightening
you shall have been tightening
she shall have been tightening
we shall have been tightening
you shall have been tightening
they shall have been tightening	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shall not tighten
you shall not tighten
she shall not tighten
we shall not tighten
you shall not tighten
they shall not tighten 	I shall not be tightening
you shall not be tightening
she shall not be tightening
we shall not be tightening
you shall not be tightening
they shall not be tightening	I shall not have tightened
you shall not have tightened
she shall not have tightened
we shall not have tightened
you shall not have tightened
they shall not have tightened	I shall not have been tightening
you shall not have been tightening
she shall not have been tightening
we shall not have been tightening
you shall not have been tightening
they shall not have been tightening	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I tighten?
shall you tighten?
shall she tighten?
shall we tighten?
shall you tighten?
shall they tighten? 	shall I be tightening?
shall you be tightening?
shall she be tightening?
shall we be tightening?
shall you be tightening?
shall they be tightening? 	shall I have tightened?
shall you have tightened?
shall she have tightened?
shall we have tightened?
shall you have tightened?
shall they have tightened? 	shall I have been tightening?
shall you have been tightening?
shall she have been tightening?
shall we have been tightening?
shall you have been tightening?
shall they have been tightening? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I not tighten?
shall you not tighten?
shall she not tighten?
shall we not tighten?
shall you not tighten?
shall they not tighten? 	shall I not be tightening?
shall you not be tightening?
shall she not be tightening?
shall we not be tightening?
shall you not be tightening?
shall they not be tightening? 	shall I not have tightened?
shall you not have tightened?
shall she not have tightened?
shall we not have tightened?
shall you not have tightened?
shall they not have tightened? 	shall I not have been tightening?
shall you not have been tightening?
shall she not have been tightening?
shall we not have been tightening?
shall you not have been tightening?
shall they not have been tightening?