I untwist untwisted you untwist untwisted she untwist untwisted we untwist untwisted you untwist untwisted they untwist untwisted
Preterite continuous
I was untwist untwisting you were untwist untwisting she was untwist untwisting we were untwist untwisting you were untwist untwisting they were untwist untwisting
I've been untwist untwisting you've been untwist untwisting she's been untwist untwisting we've been untwist untwisting you've been untwist untwisting they've been untwist untwisting
I'd been untwist untwisting you'd been untwist untwisting she'd been untwist untwisting we'd been untwist untwisting you'd been untwist untwisting they'd been untwist untwisting
I'll be untwist untwisting you'll be untwist untwisting she'll be untwist untwisting we'll be untwist untwisting you'll be untwist untwisting they'll be untwist untwisting
Future perfect
I'll have untwist untwisted you'll have untwist untwisted she'll have untwist untwisted we'll have untwist untwisted you'll have untwist untwisted they'll have untwist untwisted
Future perfect continuous
I'll have been untwist untwisting you'll have been untwist untwisting she'll have been untwist untwisting we'll have been untwist untwisting you'll have been untwist untwisting they'll have been untwist untwisting
I'd be untwist untwisting you'd be untwist untwisting she'd be untwist untwisting we'd be untwist untwisting you'd be untwist untwisting they'd be untwist untwisting
Past
I'd have untwist untwisted you'd have untwist untwisted she'd have untwist untwisted we'd have untwist untwisted you'd have untwist untwisted they'd have untwist untwisted
Past continuous
I'd have been untwist untwisting you'd have been untwist untwisting she'd have been untwist untwisting we'd have been untwist untwisting you'd have been untwist untwisting they'd have been untwist untwisting