part

I say goodbye.

私は別れます

I say goodbye at the station.

私は駅で別れます

I say goodbye at the station at night.

私は夜に駅で別れます

I say goodbye to my friend at the station at night.

私は夜に友達と駅で別れます

I say goodbye to my friend at the station at night because it is late.

私は時間が遅いので夜に友達と駅で別れます