shall impair
Verbo regular: impair - impaired- impaired

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shall impair
you shall impair
he shall impair
we shall impair
you shall impair
they shall impair 	I shall be impairing
you shall be impairing
he shall be impairing
we shall be impairing
you shall be impairing
they shall be impairing	I shall have impaired
you shall have impaired
he shall have impaired
we shall have impaired
you shall have impaired
they shall have impaired	I shall have been impairing
you shall have been impairing
he shall have been impairing
we shall have been impairing
you shall have been impairing
they shall have been impairing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shall not impair
you shall not impair
he shall not impair
we shall not impair
you shall not impair
they shall not impair 	I shall not be impairing
you shall not be impairing
he shall not be impairing
we shall not be impairing
you shall not be impairing
they shall not be impairing	I shall not have impaired
you shall not have impaired
he shall not have impaired
we shall not have impaired
you shall not have impaired
they shall not have impaired	I shall not have been impairing
you shall not have been impairing
he shall not have been impairing
we shall not have been impairing
you shall not have been impairing
they shall not have been impairing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I impair?
shall you impair?
shall he impair?
shall we impair?
shall you impair?
shall they impair? 	shall I be impairing?
shall you be impairing?
shall he be impairing?
shall we be impairing?
shall you be impairing?
shall they be impairing? 	shall I have impaired?
shall you have impaired?
shall he have impaired?
shall we have impaired?
shall you have impaired?
shall they have impaired? 	shall I have been impairing?
shall you have been impairing?
shall he have been impairing?
shall we have been impairing?
shall you have been impairing?
shall they have been impairing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I not impair?
shall you not impair?
shall he not impair?
shall we not impair?
shall you not impair?
shall they not impair? 	shall I not be impairing?
shall you not be impairing?
shall he not be impairing?
shall we not be impairing?
shall you not be impairing?
shall they not be impairing? 	shall I not have impaired?
shall you not have impaired?
shall he not have impaired?
shall we not have impaired?
shall you not have impaired?
shall they not have impaired? 	shall I not have been impairing?
shall you not have been impairing?
shall he not have been impairing?
shall we not have been impairing?
shall you not have been impairing?
shall they not have been impairing?