I've been dematerialising you've been dematerialising she's been dematerialising we've been dematerialising you've been dematerialising they've been dematerialising
I'd been dematerialising you'd been dematerialising she'd been dematerialising we'd been dematerialising you'd been dematerialising they'd been dematerialising
I'll be dematerialising you'll be dematerialising she'll be dematerialising we'll be dematerialising you'll be dematerialising they'll be dematerialising
Future perfect
I'll have dematerialised you'll have dematerialised she'll have dematerialised we'll have dematerialised you'll have dematerialised they'll have dematerialised
Future perfect continuous
I'll have been dematerialising you'll have been dematerialising she'll have been dematerialising we'll have been dematerialising you'll have been dematerialising they'll have been dematerialising
I'd be dematerialising you'd be dematerialising she'd be dematerialising we'd be dematerialising you'd be dematerialising they'd be dematerialising
Past
I'd have dematerialised you'd have dematerialised she'd have dematerialised we'd have dematerialised you'd have dematerialised they'd have dematerialised
Past continuous
I'd have been dematerialising you'd have been dematerialising she'd have been dematerialising we'd have been dematerialising you'd have been dematerialising they'd have been dematerialising