I'll be crackling you'll be crackling he'll be crackling we'll be crackling you'll be crackling they'll be crackling
Future perfect
I'll have crackled you'll have crackled he'll have crackled we'll have crackled you'll have crackled they'll have crackled
Future perfect continuous
I'll have been crackling you'll have been crackling he'll have been crackling we'll have been crackling you'll have been crackling they'll have been crackling
I'd be crackling you'd be crackling he'd be crackling we'd be crackling you'd be crackling they'd be crackling
Past
I'd have crackled you'd have crackled he'd have crackled we'd have crackled you'd have crackled they'd have crackled
Past continuous
I'd have been crackling you'd have been crackling he'd have been crackling we'd have been crackling you'd have been crackling they'd have been crackling