All of the above plus it can be used to imply incompetence e.g. If the workmen stopped faffing about and got on with it, they’d be finished by now.
Why does the forest need raking of leaves?
He’s developing a graphic novel for the cartoon, rather than doing daily strips. So new stories but in graphic novel form.
Oh Jef, that’s bad!
All of the above plus it can be used to imply incompetence e.g. If the workmen stopped faffing about and got on with it, they’d be finished by now.