they have it/them
They found it.
They've already proved it!
They promised it.
Elles l'ont attaché à un arbre.
They tied him to a tree.
They deserved it.
They saw him at the airport.
Elles l'ont incité à commettre un crime.
They incited him to commit a crime.
They really did it.
They destroyed it.
Elles l'ont souvent entendu dire du mal des autres.
They have often heard him speak ill of others.