Make each sentence in English by using -Past past perfect tense keyword before and after -Past Continous Tense keyword when and while makasih.

The train had left before we arrived.
Dad drove to Jakarta after he had finished his work.

I was  sleeping when you called
My mom saw the accident while she was walking home

Hope it helps

Past perfect tense keyword before and after:
- You had gone to school before i came to your house.
- He had written the letter after they told him
Past continous tense keyword when and while:
- Adrian was sleeping when his father was calling him
- Our teacher was telling the material while we were playing