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Why do you need "que" in this sentence?

Vuelva a llenar su receta antes de que se quede completamente sin medicina.

Is the "que" necessary?

Thanks.

3 years ago

2 Comments


https://www.duolingo.com/rodrigotorey

yeah because "que" its referring to the entity that is getting low on medicine, Example : you, me, a drug store, a hospital, etc., etc. Example 2: "vuelva a llenar su receta antes de QUE el hospital se quede completamente sin medicina = refill your prescription before the hospital runs out of medicine" without the word "que" you dont know to who is that sentence. hope i explained myself.

3 years ago

https://www.duolingo.com/click_here

Thank you for the replies!

3 years ago