ought to tiff
Verbo regular: tiff - tiffed- tiffed

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

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

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

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