I ought to untwist you ought to untwist he ought to untwist we ought to untwist you ought to untwist they ought to untwist
V-ing form
I ought to be untwisting you ought to be untwisting he ought to be untwisting we ought to be untwisting you ought to be untwisting they ought to be untwisting
Perfect
I ought to have untwisted you ought to have untwisted he ought to have untwisted we ought to have untwisted you ought to have untwisted they ought to have untwisted
V-ing perfect
I ought to have been untwisting you ought to have been untwisting he 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
I oughtn't to untwist you oughtn't to untwist he oughtn't to untwist we oughtn't to untwist you oughtn't to untwist they oughtn't to untwist
V-ing form
I oughtn't to be untwisting you oughtn't to be untwisting he oughtn't to be untwisting we oughtn't to be untwisting you oughtn't to be untwisting they oughtn't to be untwisting
Perfect
I oughtn't to have untwisted you oughtn't to have untwisted he oughtn't to have untwisted we oughtn't to have untwisted you oughtn't to have untwisted they oughtn't to have untwisted
V-ing perfect
I oughtn't to have been untwisting you oughtn't to have been untwisting he oughtn't to have been untwisting we oughtn't to have been untwisting you oughtn't to have been untwisting they oughtn't to have been untwisting
Interrogative form
Simple form
ought to I untwist? ought to you untwist? ought to he untwist? ought to we untwist? ought to you untwist? ought to they untwist?
V-ing form
ought to I be untwisting? ought to you be untwisting? ought to he be untwisting? ought to we be untwisting? ought to you be untwisting? ought to they be untwisting?
Perfect
ought to I have untwisted? ought to you have untwisted? ought to he have untwisted? ought to we have untwisted? ought to you have untwisted? ought to they have untwisted?
V-ing perfect
ought to I have been untwisting? ought to you have been untwisting? ought to he 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
oughtn't I to untwist? oughtn't you to untwist? oughtn't he to untwist? oughtn't we to untwist? oughtn't you to untwist? oughtn't they to untwist?
V-ing form
oughtn't I to be untwisting? oughtn't you to be untwisting? oughtn't he to be untwisting? oughtn't we to be untwisting? oughtn't you to be untwisting? oughtn't they to be untwisting?
Perfect
oughtn't I to have untwisted? oughtn't you to have untwisted? oughtn't he to have untwisted? oughtn't we to have untwisted? oughtn't you to have untwisted? oughtn't they to have untwisted?
V-ing perfect
oughtn't I to have been untwisting? oughtn't you to have been untwisting? oughtn't he to have been untwisting? oughtn't we to have been untwisting? oughtn't you to have been untwisting? oughtn't they to have been untwisting?