"He is going to fill them in straight away." in French

il va les remplir tout de suite.

Unstarted

Literal Breakdown

English	French	Learn
he	il	Learn
goes; is going	va	Learn
them (direct object)	les	Learn
to fill in	remplir	Learn
immediately; right away	tout de suite	Learn

The French translation for “He is going to fill them in straight away.” is il va les remplir tout de suite.. The French, il va les remplir tout de suite., can be broken down into 5 parts:"he" (il), "goes; is going" (va), "them (direct object)" (les), "to fill in" (remplir) and "immediately; right away" (tout de suite).