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