I'd be untwist untwisting you'd be untwist untwisting he'd be untwist untwisting we'd be untwist untwisting you'd be untwist untwisting they'd be untwist untwisting
Perfect
I should've untwist untwisted you should've untwist untwisted he should've untwist untwisted we should've untwist untwisted you should've untwist untwisted they should've untwist untwisted
V-ing perfect
I should've been untwist untwisting you should've been untwist untwisting he should've been untwist untwisting we should've been untwist untwisting you should've been untwist untwisting they should've been untwist untwisting
Negation
Simple form
I shouldn't untwist untwist you shouldn't untwist untwist he shouldn't untwist untwist we shouldn't untwist untwist you shouldn't untwist untwist they shouldn't untwist untwist
V-ing form
I shouldn't be untwist untwisting you shouldn't be untwist untwisting he shouldn't be untwist untwisting we shouldn't be untwist untwisting you shouldn't be untwist untwisting they shouldn't be untwist untwisting
Perfect
I shouldn't have untwist untwisted you shouldn't have untwist untwisted he shouldn't have untwist untwisted we shouldn't have untwist untwisted you shouldn't have untwist untwisted they shouldn't have untwist untwisted
V-ing perfect
I shouldn't have been untwist untwisting you shouldn't have been untwist untwisting he shouldn't have been untwist untwisting we shouldn't have been untwist untwisting you shouldn't have been untwist untwisting they shouldn't have been untwist untwisting
Interrogative form
Simple form
should I untwist untwist? should you untwist untwist? should he untwist untwist? should we untwist untwist? should you untwist untwist? should they untwist untwist?
V-ing form
should I be untwist untwisting? should you be untwist untwisting? should he be untwist untwisting? should we be untwist untwisting? should you be untwist untwisting? should they be untwist untwisting?
Perfect
should I have untwist untwisted? should you have untwist untwisted? should he have untwist untwisted? should we have untwist untwisted? should you have untwist untwisted? should they have untwist untwisted?
V-ing perfect
should I have been untwist untwisting? should you have been untwist untwisting? should he have been untwist untwisting? should we have been untwist untwisting? should you have been untwist untwisting? should they have been untwist untwisting?
Interro-negative form
Simple form
shouldn't I untwist untwist? shouldn't you untwist untwist? shouldn't he untwist untwist? shouldn't we untwist untwist? shouldn't you untwist untwist? shouldn't they untwist untwist?
V-ing form
shouldn't I be untwist untwisting? shouldn't you be untwist untwisting? shouldn't he be untwist untwisting? shouldn't we be untwist untwisting? shouldn't you be untwist untwisting? shouldn't they be untwist untwisting?
Perfect
shouldn't I have untwist untwisted? shouldn't you have untwist untwisted? shouldn't he have untwist untwisted? shouldn't we have untwist untwisted? shouldn't you have untwist untwisted? shouldn't they have untwist untwisted?
V-ing perfect
shouldn't I have been untwist untwisting? shouldn't you have been untwist untwisting? shouldn't he have been untwist untwisting? shouldn't we have been untwist untwisting? shouldn't you have been untwist untwisting? shouldn't they have been untwist untwisting?