ought to string
Irregular verb: string - strung- strung

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to string
you ought to string
she ought to string
we ought to string
you ought to string
they ought to string 	I ought to be stringing
you ought to be stringing
she ought to be stringing
we ought to be stringing
you ought to be stringing
they ought to be stringing	I ought to have strung
you ought to have strung
she ought to have strung
we ought to have strung
you ought to have strung
they ought to have strung	I ought to have been stringing
you ought to have been stringing
she ought to have been stringing
we ought to have been stringing
you ought to have been stringing
they ought to have been stringing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to string
you ought not to string
she ought not to string
we ought not to string
you ought not to string
they ought not to string 	I ought not to stringing
you ought not to stringing
she ought not to stringing
we ought not to stringing
you ought not to stringing
they ought not to stringing	I ought not to have strung
you ought not to have strung
she ought not to have strung
we ought not to have strung
you ought not to have strung
they ought not to have strung	I ought not to have been stringing
you ought not to have been stringing
she ought not to have been stringing
we ought not to have been stringing
you ought not to have been stringing
they ought not to have been stringing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I string?
ought to you string?
ought to she string?
ought to we string?
ought to you string?
ought to they string? 	ought to I be stringing?
ought to you be stringing?
ought to she be stringing?
ought to we be stringing?
ought to you be stringing?
ought to they be stringing? 	ought to I have strung?
ought to you have strung?
ought to she have strung?
ought to we have strung?
ought to you have strung?
ought to they have strung? 	ought to I have been stringing?
ought to you have been stringing?
ought to she have been stringing?
ought to we have been stringing?
ought to you have been stringing?
ought to they have been stringing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to string?
ought you not to string?
ought she not to string?
ought we not to string?
ought you not to string?
ought they not to string? 	ought I not to be stringing?
ought you not to be stringing?
ought she not to be stringing?
ought we not to be stringing?
ought you not to be stringing?
ought they not to be stringing? 	ought I not to have strung?
ought you not to have strung?
ought she not to have strung?
ought we not to have strung?
ought you not to have strung?
ought they not to have strung? 	ought I not to have been stringing?
ought you not to have been stringing?
ought she not to have been stringing?
ought we not to have been stringing?
ought you not to have been stringing?
ought they not to have been stringing?