I'll be articling you'll be articling he'll be articling we'll be articling you'll be articling they'll be articling
Future perfect
I'll have articled you'll have articled he'll have articled we'll have articled you'll have articled they'll have articled
Future perfect continuous
I'll have been articling you'll have been articling he'll have been articling we'll have been articling you'll have been articling they'll have been articling
I'd be articling you'd be articling he'd be articling we'd be articling you'd be articling they'd be articling
Past
I'd have articled you'd have articled he'd have articled we'd have articled you'd have articled they'd have articled
Past continuous
I'd have been articling you'd have been articling he'd have been articling we'd have been articling you'd have been articling they'd have been articling