I'll be doddering you'll be doddering he'll be doddering we'll be doddering you'll be doddering they'll be doddering
Future perfect
I'll have doddered you'll have doddered he'll have doddered we'll have doddered you'll have doddered they'll have doddered
Future perfect continuous
I'll have been doddering you'll have been doddering he'll have been doddering we'll have been doddering you'll have been doddering they'll have been doddering
I'd be doddering you'd be doddering he'd be doddering we'd be doddering you'd be doddering they'd be doddering
Past
I'd have doddered you'd have doddered he'd have doddered we'd have doddered you'd have doddered they'd have doddered
Past continuous
I'd have been doddering you'd have been doddering he'd have been doddering we'd have been doddering you'd have been doddering they'd have been doddering