he does it
He always does.
Il le fait plus rapidement que moi.
He does it faster than me.
Elle lui dit de lui donner tout son salaire et il le fait.
She tells him to give her all his salary and he does.
He does it all the time.
Il le fait depuis qu'il nous a vus.
He's been doing it ever since he saw us.
Tom ne se lève pas toujours tôt, mais il le fait toujours avant Marie.
Tom doesn’t always get up early, but he always does so before Marie.
He does it properly.