I cross-fertilised you cross-fertilised he cross-fertilised we cross-fertilised you cross-fertilised they cross-fertilised
Preterite continuous
I was cross-fertilising you were cross-fertilising he was cross-fertilising we were cross-fertilising you were cross-fertilising they were cross-fertilising
I've been cross-fertilising you've been cross-fertilising he's been cross-fertilising we've been cross-fertilising you've been cross-fertilising they've been cross-fertilising
I'd been cross-fertilising you'd been cross-fertilising he'd been cross-fertilising we'd been cross-fertilising you'd been cross-fertilising they'd been cross-fertilising
I'll be cross-fertilising you'll be cross-fertilising he'll be cross-fertilising we'll be cross-fertilising you'll be cross-fertilising they'll be cross-fertilising
Future perfect
I'll have cross-fertilised you'll have cross-fertilised he'll have cross-fertilised we'll have cross-fertilised you'll have cross-fertilised they'll have cross-fertilised
Future perfect continuous
I'll have been cross-fertilising you'll have been cross-fertilising he'll have been cross-fertilising we'll have been cross-fertilising you'll have been cross-fertilising they'll have been cross-fertilising
I'd be cross-fertilising you'd be cross-fertilising he'd be cross-fertilising we'd be cross-fertilising you'd be cross-fertilising they'd be cross-fertilising
Past
I'd have cross-fertilised you'd have cross-fertilised he'd have cross-fertilised we'd have cross-fertilised you'd have cross-fertilised they'd have cross-fertilised
Past continuous
I'd have been cross-fertilising you'd have been cross-fertilising he'd have been cross-fertilising we'd have been cross-fertilising you'd have been cross-fertilising they'd have been cross-fertilising