I'll be belabouring you'll be belabouring he'll be belabouring we'll be belabouring you'll be belabouring they'll be belabouring
Future perfect
I'll have belaboured you'll have belaboured he'll have belaboured we'll have belaboured you'll have belaboured they'll have belaboured
Future perfect continuous
I'll have been belabouring you'll have been belabouring he'll have been belabouring we'll have been belabouring you'll have been belabouring they'll have been belabouring
I'd be belabouring you'd be belabouring he'd be belabouring we'd be belabouring you'd be belabouring they'd be belabouring
Past
I'd have belaboured you'd have belaboured he'd have belaboured we'd have belaboured you'd have belaboured they'd have belaboured
Past continuous
I'd have been belabouring you'd have been belabouring he'd have been belabouring we'd have been belabouring you'd have been belabouring they'd have been belabouring