"I am going upstairs to fill them in straight away." in French

Je monte les remplir tout de suite.

Unstarted

Literal Breakdown

English	French	Learn
I	je	Learn
go upstairs; am going upstairs	monte	Learn
them (direct object)	les	Learn
to fill in	remplir	Learn
right away	tout de suite	Learn

The French translation for “I am going upstairs to fill them in straight away.” is Je monte les remplir tout de suite.. The French, Je monte les remplir tout de suite., can be broken down into 5 parts:"I" (je), "go upstairs; am going upstairs" (monte), "them (direct object)" (les), "to fill in" (remplir) and "right away" (tout de suite).