shall tiff
Verbo regular: tiff - tiffed- tiffed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shall tiff
you shall tiff
he shall tiff
we shall tiff
you shall tiff
they shall tiff 	I shall be tiffing
you shall be tiffing
he shall be tiffing
we shall be tiffing
you shall be tiffing
they shall be tiffing	I shall have tiffed
you shall have tiffed
he shall have tiffed
we shall have tiffed
you shall have tiffed
they shall have tiffed	I shall have been tiffing
you shall have been tiffing
he shall have been tiffing
we shall have been tiffing
you shall have been tiffing
they shall have been tiffing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shall not tiff
you shall not tiff
he shall not tiff
we shall not tiff
you shall not tiff
they shall not tiff 	I shall not be tiffing
you shall not be tiffing
he shall not be tiffing
we shall not be tiffing
you shall not be tiffing
they shall not be tiffing	I shall not have tiffed
you shall not have tiffed
he shall not have tiffed
we shall not have tiffed
you shall not have tiffed
they shall not have tiffed	I shall not have been tiffing
you shall not have been tiffing
he shall not have been tiffing
we shall not have been tiffing
you shall not have been tiffing
they shall not have been tiffing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I tiff?
shall you tiff?
shall he tiff?
shall we tiff?
shall you tiff?
shall they tiff? 	shall I be tiffing?
shall you be tiffing?
shall he be tiffing?
shall we be tiffing?
shall you be tiffing?
shall they be tiffing? 	shall I have tiffed?
shall you have tiffed?
shall he have tiffed?
shall we have tiffed?
shall you have tiffed?
shall they have tiffed? 	shall I have been tiffing?
shall you have been tiffing?
shall he have been tiffing?
shall we have been tiffing?
shall you have been tiffing?
shall they have been tiffing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shall I not tiff?
shall you not tiff?
shall he not tiff?
shall we not tiff?
shall you not tiff?
shall they not tiff? 	shall I not be tiffing?
shall you not be tiffing?
shall he not be tiffing?
shall we not be tiffing?
shall you not be tiffing?
shall they not be tiffing? 	shall I not have tiffed?
shall you not have tiffed?
shall he not have tiffed?
shall we not have tiffed?
shall you not have tiffed?
shall they not have tiffed? 	shall I not have been tiffing?
shall you not have been tiffing?
shall he not have been tiffing?
shall we not have been tiffing?
shall you not have been tiffing?
shall they not have been tiffing?