ought to untwist
Regular verb: untwist - untwisted- untwisted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to untwist
you ought to untwist
she ought to untwist
we ought to untwist
you ought to untwist
they ought to untwist 	I ought to be untwisting
you ought to be untwisting
she ought to be untwisting
we ought to be untwisting
you ought to be untwisting
they ought to be untwisting	I ought to have untwisted
you ought to have untwisted
she ought to have untwisted
we ought to have untwisted
you ought to have untwisted
they ought to have untwisted	I ought to have been untwisting
you ought to have been untwisting
she ought to have been untwisting
we ought to have been untwisting
you ought to have been untwisting
they ought to have been untwisting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to untwist
you ought not to untwist
she ought not to untwist
we ought not to untwist
you ought not to untwist
they ought not to untwist 	I ought not to untwisting
you ought not to untwisting
she ought not to untwisting
we ought not to untwisting
you ought not to untwisting
they ought not to untwisting	I ought not to have untwisted
you ought not to have untwisted
she ought not to have untwisted
we ought not to have untwisted
you ought not to have untwisted
they ought not to have untwisted	I ought not to have been untwisting
you ought not to have been untwisting
she ought not to have been untwisting
we ought not to have been untwisting
you ought not to have been untwisting
they ought not to have been untwisting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I untwist?
ought to you untwist?
ought to she untwist?
ought to we untwist?
ought to you untwist?
ought to they untwist? 	ought to I be untwisting?
ought to you be untwisting?
ought to she be untwisting?
ought to we be untwisting?
ought to you be untwisting?
ought to they be untwisting? 	ought to I have untwisted?
ought to you have untwisted?
ought to she have untwisted?
ought to we have untwisted?
ought to you have untwisted?
ought to they have untwisted? 	ought to I have been untwisting?
ought to you have been untwisting?
ought to she have been untwisting?
ought to we have been untwisting?
ought to you have been untwisting?
ought to they have been untwisting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to untwist?
ought you not to untwist?
ought she not to untwist?
ought we not to untwist?
ought you not to untwist?
ought they not to untwist? 	ought I not to be untwisting?
ought you not to be untwisting?
ought she not to be untwisting?
ought we not to be untwisting?
ought you not to be untwisting?
ought they not to be untwisting? 	ought I not to have untwisted?
ought you not to have untwisted?
ought she not to have untwisted?
ought we not to have untwisted?
ought you not to have untwisted?
ought they not to have untwisted? 	ought I not to have been untwisting?
ought you not to have been untwisting?
ought she not to have been untwisting?
ought we not to have been untwisting?
ought you not to have been untwisting?
ought they not to have been untwisting?