The Arabic expression فأسقيناكموه means "and we gave it to you to drink". This intriguing phrase is from the Quran. Let's analyze it.
Reading grammar books in Arabic can be challenging if you cannot decode the language of the grammarians (i'rab إعراب). But there is a formula.
A separate personal pronoun can be used to give emphasis in Arabic. It is called Damir al-fasl. Here is how it works.