Antes de fazer... (-기 전에)

I drink water before sleeping.

Wash hands before eating.

I meet a friend before going to school.

I buy popcorn before watching a movie.

I studied Korean before coming to Korea.

Please check the materials before the meeting.

Let's go home before it rains.

I listen to music before falling asleep.

I want to travel a lot before I get married.

You must consult with the doctor before the surgery.

I relaxed before the presentation.

I packed all my bags before leaving.

Please review all clauses before signing the contract.

Read the precautions before taking this medicine.

You must make a plan before starting the project.

Please show your ticket before entering.

We must take appropriate measures before the situation worsens.

I will provide background information before getting to the main point.

It is necessary to deliberate before making a decision.

We finished the safety inspection before completion.

One must understand the context of the era before grasping the flow of history.

Sufficient discussion must precede the passing of the bill.

Look into yourself before peering into the abyss.

One must break down existing customs before accepting change.