The boy had read a book before falling asleep.

I usually have breakfast before I go to school.

Before leaving for work, my dad walks the dog.

I watered the flowers before they withered.

I jumped into the bus before it left.

Before building a house, an engineer makes the necessary calculations.

Before you build a house, you need to make drawings.

Mom came home before me.

My sister came home from school before my mother returned from work.

She  goes for a run before breakfast.

Haven't I met you before somewhere?

You should always wash your hands before lunch.

The train arrives before noon.

I've heard that before.

She had met him before the night.

We won the competition because  had rehearsed a lot before.

Before I did it, she had left the room.

I had lived in London for 10 years before I moved to French.