Breakdown of Ils ont soif, je leur en verse un verre.
je
I
un
a / an (masculine)
ils
they (masculine/mixed)
le verre
the glass / the drink
Questions & Answers about Ils ont soif, je leur en verse un verre.
Why are the pronouns in the order leur en?
When you have multiple object pronouns before a verb, they follow a strict order. Indirect object pronouns like lui or leur (to him/her, to them) always come before the adverbial pronouns y and en.
Why do we need the word en here? Can't I just say je leur verse un verre?
Why is the sentence using ont instead of sont for "they are thirsty"?