I teleconferenced you teleconferenced she teleconferenced we teleconferenced you teleconferenced they teleconferenced
Preterite continuous
I was teleconferencing you were teleconferencing she was teleconferencing we were teleconferencing you were teleconferencing they were teleconferencing
I've been teleconferencing you've been teleconferencing she's been teleconferencing we've been teleconferencing you've been teleconferencing they've been teleconferencing
I'd been teleconferencing you'd been teleconferencing she'd been teleconferencing we'd been teleconferencing you'd been teleconferencing they'd been teleconferencing
I'll be teleconferencing you'll be teleconferencing she'll be teleconferencing we'll be teleconferencing you'll be teleconferencing they'll be teleconferencing
Future perfect
I'll have teleconferenced you'll have teleconferenced she'll have teleconferenced we'll have teleconferenced you'll have teleconferenced they'll have teleconferenced
Future perfect continuous
I'll have been teleconferencing you'll have been teleconferencing she'll have been teleconferencing we'll have been teleconferencing you'll have been teleconferencing they'll have been teleconferencing
I'd be teleconferencing you'd be teleconferencing she'd be teleconferencing we'd be teleconferencing you'd be teleconferencing they'd be teleconferencing
Past
I'd have teleconferenced you'd have teleconferenced she'd have teleconferenced we'd have teleconferenced you'd have teleconferenced they'd have teleconferenced
Past continuous
I'd have been teleconferencing you'd have been teleconferencing she'd have been teleconferencing we'd have been teleconferencing you'd have been teleconferencing they'd have been teleconferencing