1 While I was sleeping, I heard a loud noise. 2. We were shocked when we heard the news. 3. Before my father leaves for work, he feeds the dogs and cats.   4. After I finish my homework, I hang out with my friends.

1 She was surprised when she found a golden coin in the garden. 2As soon as I find my wallet, I will go shopping right after. 3 He made a quick phone call to a client before he left the office. 4After he mowed the lawn, he took a rest.