I'll be datestamping you'll be datestamping he'll be datestamping we'll be datestamping you'll be datestamping they'll be datestamping
Future perfect
I'll have datestamped you'll have datestamped he'll have datestamped we'll have datestamped you'll have datestamped they'll have datestamped
Future perfect continuous
I'll have been datestamping you'll have been datestamping he'll have been datestamping we'll have been datestamping you'll have been datestamping they'll have been datestamping
I'd be datestamping you'd be datestamping he'd be datestamping we'd be datestamping you'd be datestamping they'd be datestamping
Past
I'd have datestamped you'd have datestamped he'd have datestamped we'd have datestamped you'd have datestamped they'd have datestamped
Past continuous
I'd have been datestamping you'd have been datestamping he'd have been datestamping we'd have been datestamping you'd have been datestamping they'd have been datestamping