5. Ba wrote to me. Then he wrote to Maryam.

• After: Ba wrote to me. After that, he wrote to Maryam.
• Before: He wrote to Maryam. Before that, he wrote to me.

6. Before he returned home, he had finished all the work.

• After: He had finished all the work. After that, he returned home.

7. Before my father came, he repaired my bike.

• After: He repaired my bike. After that, my father came.

8. After Nam had stolen my bike, he stole Mo's one.

• Before: Nam stole Mo's bike. Before that, he had stolen my bike.

9. He left the house after he had knocked the door very carefully.

• Before: He knocked the door very carefully. Then, he left the house.

10. After killing his wife, he killed himself.

• After he killed his wife, he killed himself. (Note: This sentence describes a horrific event. Be mindful of the context when using such a sentence)

11. David had gone home before we arrived.

• After: David had gone home. We arrived after that.

12. We had lunch then we took a look around the shops.

• Before: We took a look around the shops. Before that, we had lunch.

13. The light had gone out before we got out of the office.

• When: We got out of the office, the light had already gone out.

14. After she had explained everything clearly, we started our work.

• By the time: She had explained everything clearly, we started our work.

15. My father had watered all the plants in the garden by the time my mother came home.