I observe observed you observe observed he observe observed we observe observed you observe observed they observe observed
Preterite continua
I was observe observing you were observe observing he was observe observing we were observe observing you were observe observing they were observe observing
I've been observe observing you've been observe observing he's been observe observing we've been observe observing you've been observe observing they've been observe observing
I'd been observe observing you'd been observe observing he'd been observe observing we'd been observe observing you'd been observe observing they'd been observe observing
I'll be observe observing you'll be observe observing he'll be observe observing we'll be observe observing you'll be observe observing they'll be observe observing
Futuro anteriore
I'll have observe observed you'll have observe observed he'll have observe observed we'll have observe observed you'll have observe observed they'll have observe observed
Futuro anteriore contínuo
I'll have been observe observing you'll have been observe observing he'll have been observe observing we'll have been observe observing you'll have been observe observing they'll have been observe observing
I'd be observe observing you'd be observe observing he'd be observe observing we'd be observe observing you'd be observe observing they'd be observe observing
Passato
I'd have observe observed you'd have observe observed he'd have observe observed we'd have observe observed you'd have observe observed they'd have observe observed
Passato continuo
I'd have been observe observing you'd have been observe observing he'd have been observe observing we'd have been observe observing you'd have been observe observing they'd have been observe observing