I'll be strolling you'll be strolling he'll be strolling we'll be strolling you'll be strolling they'll be strolling
Future perfect
I'll have strolled you'll have strolled he'll have strolled we'll have strolled you'll have strolled they'll have strolled
Future perfect continuous
I'll have been strolling you'll have been strolling he'll have been strolling we'll have been strolling you'll have been strolling they'll have been strolling
I'd be strolling you'd be strolling he'd be strolling we'd be strolling you'd be strolling they'd be strolling
Past
I'd have strolled you'd have strolled he'd have strolled we'd have strolled you'd have strolled they'd have strolled
Past continuous
I'd have been strolling you'd have been strolling he'd have been strolling we'd have been strolling you'd have been strolling they'd have been strolling