I've been deconcentrating you've been deconcentrating he's been deconcentrating we've been deconcentrating you've been deconcentrating they've been deconcentrating
I'd been deconcentrating you'd been deconcentrating he'd been deconcentrating we'd been deconcentrating you'd been deconcentrating they'd been deconcentrating
I'll be deconcentrating you'll be deconcentrating he'll be deconcentrating we'll be deconcentrating you'll be deconcentrating they'll be deconcentrating
Future perfect
I'll have deconcentrated you'll have deconcentrated he'll have deconcentrated we'll have deconcentrated you'll have deconcentrated they'll have deconcentrated
Future perfect continuous
I'll have been deconcentrating you'll have been deconcentrating he'll have been deconcentrating we'll have been deconcentrating you'll have been deconcentrating they'll have been deconcentrating
I'd be deconcentrating you'd be deconcentrating he'd be deconcentrating we'd be deconcentrating you'd be deconcentrating they'd be deconcentrating
Past
I'd have deconcentrated you'd have deconcentrated he'd have deconcentrated we'd have deconcentrated you'd have deconcentrated they'd have deconcentrated
Past continuous
I'd have been deconcentrating you'd have been deconcentrating he'd have been deconcentrating we'd have been deconcentrating you'd have been deconcentrating they'd have been deconcentrating