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