you have to … her/it
We have to get her out of there.
— Terminator 2 : Le Jugement dernier (1991)
Il faut la surveiller, dit le Bibliothécaire du Shire.
We need to keep an eye on her, said the Shire Librarian.
L'occasion existe, il faut la saisir maintenant.
The opportunity exists, we must seize it now.
Afin de rendre chaude de l'eau froide, il faut la chauffer.
To make cold water hot, you have to heat it.
Il faut la conduire à l'hôpital.
She needs to be taken to the hospital.
La chance, c'est comme une femme, il faut la désirer.
Luck is like a woman: you have to desire her.