I'll be welcoming you'll be welcoming she'll be welcoming we'll be welcoming you'll be welcoming they'll be welcoming
Future perfect
I'll have welcomed you'll have welcomed she'll have welcomed we'll have welcomed you'll have welcomed they'll have welcomed
Future perfect continuous
I'll have been welcoming you'll have been welcoming she'll have been welcoming we'll have been welcoming you'll have been welcoming they'll have been welcoming
I'd be welcoming you'd be welcoming she'd be welcoming we'd be welcoming you'd be welcoming they'd be welcoming
Past
I'd have welcomed you'd have welcomed she'd have welcomed we'd have welcomed you'd have welcomed they'd have welcomed
Past continuous
I'd have been welcoming you'd have been welcoming she'd have been welcoming we'd have been welcoming you'd have been welcoming they'd have been welcoming