ought to skin
Regular verb: skin - skinned- skinned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to skin
you ought to skin
she ought to skin
we ought to skin
you ought to skin
they ought to skin 	I ought to be skinning
you ought to be skinning
she ought to be skinning
we ought to be skinning
you ought to be skinning
they ought to be skinning	I ought to have skinned
you ought to have skinned
she ought to have skinned
we ought to have skinned
you ought to have skinned
they ought to have skinned	I ought to have been skinning
you ought to have been skinning
she ought to have been skinning
we ought to have been skinning
you ought to have been skinning
they ought to have been skinning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to skin
you oughtn't to skin
she oughtn't to skin
we oughtn't to skin
you oughtn't to skin
they oughtn't to skin 	I oughtn't to be skinning
you oughtn't to be skinning
she oughtn't to be skinning
we oughtn't to be skinning
you oughtn't to be skinning
they oughtn't to be skinning	I oughtn't to have skinned
you oughtn't to have skinned
she oughtn't to have skinned
we oughtn't to have skinned
you oughtn't to have skinned
they oughtn't to have skinned	I oughtn't to have been skinning
you oughtn't to have been skinning
she oughtn't to have been skinning
we oughtn't to have been skinning
you oughtn't to have been skinning
they oughtn't to have been skinning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I skin?
ought to you skin?
ought to she skin?
ought to we skin?
ought to you skin?
ought to they skin? 	ought to I be skinning?
ought to you be skinning?
ought to she be skinning?
ought to we be skinning?
ought to you be skinning?
ought to they be skinning? 	ought to I have skinned?
ought to you have skinned?
ought to she have skinned?
ought to we have skinned?
ought to you have skinned?
ought to they have skinned? 	ought to I have been skinning?
ought to you have been skinning?
ought to she have been skinning?
ought to we have been skinning?
ought to you have been skinning?
ought to they have been skinning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to skin?
oughtn't you to skin?
oughtn't she to skin?
oughtn't we to skin?
oughtn't you to skin?
oughtn't they to skin? 	oughtn't I to be skinning?
oughtn't you to be skinning?
oughtn't she to be skinning?
oughtn't we to be skinning?
oughtn't you to be skinning?
oughtn't they to be skinning? 	oughtn't I to have skinned?
oughtn't you to have skinned?
oughtn't she to have skinned?
oughtn't we to have skinned?
oughtn't you to have skinned?
oughtn't they to have skinned? 	oughtn't I to have been skinning?
oughtn't you to have been skinning?
oughtn't she to have been skinning?
oughtn't we to have been skinning?
oughtn't you to have been skinning?
oughtn't they to have been skinning?