I'll be enthusing you'll be enthusing he'll be enthusing we'll be enthusing you'll be enthusing they'll be enthusing
Future perfect
I'll have enthused you'll have enthused he'll have enthused we'll have enthused you'll have enthused they'll have enthused
Future perfect continuous
I'll have been enthusing you'll have been enthusing he'll have been enthusing we'll have been enthusing you'll have been enthusing they'll have been enthusing
I'd be enthusing you'd be enthusing he'd be enthusing we'd be enthusing you'd be enthusing they'd be enthusing
Past
I'd have enthused you'd have enthused he'd have enthused we'd have enthused you'd have enthused they'd have enthused
Past continuous
I'd have been enthusing you'd have been enthusing he'd have been enthusing we'd have been enthusing you'd have been enthusing they'd have been enthusing