How to Say "There were a lot of people talking." in Korean?

"There were a lot of people talking." in Korean is 이야기하는 사람 많았어요. (iyagihaneun saram manasseoyo)

자고 있었어요. (jago isseosseoyo) - I was sleeping.
큰 고양이 자고 있었어요. (keun goyangi jago isseosseoyo) - The big cat was sleeping.
자는 강아지 (janeun gangaji) - Sleeping Dog
자는 사람 (janeun saram) - Sleeping Person
자는 고양이 (janeun goyangi) - Sleeping Cat
자는 고양이 귀여워요. (janeun goyangi gwiyeowoyo) - The sleeping cat is cute.
작은 고양이 뭐 하고 있었어요? (jageun goyangi mwo hago isseosseoyo) - What was the small cat doing?
작은 고양이 수박 먹고 있었어요. (jageun goyangi subak meokkko isseosseoyo) - The small cat was eating watermelon.