I'll be syllogising you'll be syllogising he'll be syllogising we'll be syllogising you'll be syllogising they'll be syllogising
Future perfect
I'll have syllogised you'll have syllogised he'll have syllogised we'll have syllogised you'll have syllogised they'll have syllogised
Future perfect continuous
I'll have been syllogising you'll have been syllogising he'll have been syllogising we'll have been syllogising you'll have been syllogising they'll have been syllogising
I'd be syllogising you'd be syllogising he'd be syllogising we'd be syllogising you'd be syllogising they'd be syllogising
Past
I'd have syllogised you'd have syllogised he'd have syllogised we'd have syllogised you'd have syllogised they'd have syllogised
Past continuous
I'd have been syllogising you'd have been syllogising he'd have been syllogising we'd have been syllogising you'd have been syllogising they'd have been syllogising