ought to sting
Irregular verb: sting - stung- stung

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to sting
you ought to sting
she ought to sting
we ought to sting
you ought to sting
they ought to sting 	I ought to be stinging
you ought to be stinging
she ought to be stinging
we ought to be stinging
you ought to be stinging
they ought to be stinging	I ought to have stung
you ought to have stung
she ought to have stung
we ought to have stung
you ought to have stung
they ought to have stung	I ought to have been stinging
you ought to have been stinging
she ought to have been stinging
we ought to have been stinging
you ought to have been stinging
they ought to have been stinging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to sting
you oughtn't to sting
she oughtn't to sting
we oughtn't to sting
you oughtn't to sting
they oughtn't to sting 	I oughtn't to be stinging
you oughtn't to be stinging
she oughtn't to be stinging
we oughtn't to be stinging
you oughtn't to be stinging
they oughtn't to be stinging	I oughtn't to have stung
you oughtn't to have stung
she oughtn't to have stung
we oughtn't to have stung
you oughtn't to have stung
they oughtn't to have stung	I oughtn't to have been stinging
you oughtn't to have been stinging
she oughtn't to have been stinging
we oughtn't to have been stinging
you oughtn't to have been stinging
they oughtn't to have been stinging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I sting?
ought to you sting?
ought to she sting?
ought to we sting?
ought to you sting?
ought to they sting? 	ought to I be stinging?
ought to you be stinging?
ought to she be stinging?
ought to we be stinging?
ought to you be stinging?
ought to they be stinging? 	ought to I have stung?
ought to you have stung?
ought to she have stung?
ought to we have stung?
ought to you have stung?
ought to they have stung? 	ought to I have been stinging?
ought to you have been stinging?
ought to she have been stinging?
ought to we have been stinging?
ought to you have been stinging?
ought to they have been stinging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to sting?
oughtn't you to sting?
oughtn't she to sting?
oughtn't we to sting?
oughtn't you to sting?
oughtn't they to sting? 	oughtn't I to be stinging?
oughtn't you to be stinging?
oughtn't she to be stinging?
oughtn't we to be stinging?
oughtn't you to be stinging?
oughtn't they to be stinging? 	oughtn't I to have stung?
oughtn't you to have stung?
oughtn't she to have stung?
oughtn't we to have stung?
oughtn't you to have stung?
oughtn't they to have stung? 	oughtn't I to have been stinging?
oughtn't you to have been stinging?
oughtn't she to have been stinging?
oughtn't we to have been stinging?
oughtn't you to have been stinging?
oughtn't they to have been stinging?