I ultracentrifuged you ultracentrifuged he ultracentrifuged we ultracentrifuged you ultracentrifuged they ultracentrifuged
Preterite continuous
I was ultracentrifuging you were ultracentrifuging he was ultracentrifuging we were ultracentrifuging you were ultracentrifuging they were ultracentrifuging
I've been ultracentrifuging you've been ultracentrifuging he's been ultracentrifuging we've been ultracentrifuging you've been ultracentrifuging they've been ultracentrifuging
I'd been ultracentrifuging you'd been ultracentrifuging he'd been ultracentrifuging we'd been ultracentrifuging you'd been ultracentrifuging they'd been ultracentrifuging
I'll be ultracentrifuging you'll be ultracentrifuging he'll be ultracentrifuging we'll be ultracentrifuging you'll be ultracentrifuging they'll be ultracentrifuging
Future perfect
I'll have ultracentrifuged you'll have ultracentrifuged he'll have ultracentrifuged we'll have ultracentrifuged you'll have ultracentrifuged they'll have ultracentrifuged
Future perfect continuous
I'll have been ultracentrifuging you'll have been ultracentrifuging he'll have been ultracentrifuging we'll have been ultracentrifuging you'll have been ultracentrifuging they'll have been ultracentrifuging
I'd be ultracentrifuging you'd be ultracentrifuging he'd be ultracentrifuging we'd be ultracentrifuging you'd be ultracentrifuging they'd be ultracentrifuging
Past
I'd have ultracentrifuged you'd have ultracentrifuged he'd have ultracentrifuged we'd have ultracentrifuged you'd have ultracentrifuged they'd have ultracentrifuged
Past continuous
I'd have been ultracentrifuging you'd have been ultracentrifuging he'd have been ultracentrifuging we'd have been ultracentrifuging you'd have been ultracentrifuging they'd have been ultracentrifuging