ought to sin
Regular verb: sin - sinned- sinned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to sin
you ought to sin
he ought to sin
we ought to sin
you ought to sin
they ought to sin 	I ought to be sinning
you ought to be sinning
he ought to be sinning
we ought to be sinning
you ought to be sinning
they ought to be sinning	I ought to have sinned
you ought to have sinned
he ought to have sinned
we ought to have sinned
you ought to have sinned
they ought to have sinned	I ought to have been sinning
you ought to have been sinning
he ought to have been sinning
we ought to have been sinning
you ought to have been sinning
they ought to have been sinning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to sin
you oughtn't to sin
he oughtn't to sin
we oughtn't to sin
you oughtn't to sin
they oughtn't to sin 	I oughtn't to be sinning
you oughtn't to be sinning
he oughtn't to be sinning
we oughtn't to be sinning
you oughtn't to be sinning
they oughtn't to be sinning	I oughtn't to have sinned
you oughtn't to have sinned
he oughtn't to have sinned
we oughtn't to have sinned
you oughtn't to have sinned
they oughtn't to have sinned	I oughtn't to have been sinning
you oughtn't to have been sinning
he oughtn't to have been sinning
we oughtn't to have been sinning
you oughtn't to have been sinning
they oughtn't to have been sinning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I sin?
ought to you sin?
ought to he sin?
ought to we sin?
ought to you sin?
ought to they sin? 	ought to I be sinning?
ought to you be sinning?
ought to he be sinning?
ought to we be sinning?
ought to you be sinning?
ought to they be sinning? 	ought to I have sinned?
ought to you have sinned?
ought to he have sinned?
ought to we have sinned?
ought to you have sinned?
ought to they have sinned? 	ought to I have been sinning?
ought to you have been sinning?
ought to he have been sinning?
ought to we have been sinning?
ought to you have been sinning?
ought to they have been sinning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to sin?
oughtn't you to sin?
oughtn't he to sin?
oughtn't we to sin?
oughtn't you to sin?
oughtn't they to sin? 	oughtn't I to be sinning?
oughtn't you to be sinning?
oughtn't he to be sinning?
oughtn't we to be sinning?
oughtn't you to be sinning?
oughtn't they to be sinning? 	oughtn't I to have sinned?
oughtn't you to have sinned?
oughtn't he to have sinned?
oughtn't we to have sinned?
oughtn't you to have sinned?
oughtn't they to have sinned? 	oughtn't I to have been sinning?
oughtn't you to have been sinning?
oughtn't he to have been sinning?
oughtn't we to have been sinning?
oughtn't you to have been sinning?
oughtn't they to have been sinning?