**Here are 10 examples of using the word «back» in English:**
1. I need to give this book back to the library tomorrow.
2. She put her coat back on and left the house.
3. He promised to pay me back for the money I lent him.
4. The company is trying to get its reputation back after a scandal.
5. Can you please bring back some souvenirs from your trip?
6. She leaned back in her chair and relaxed.
7. He looked back at the place where they had spent so many happy moments.
8. The teacher asked the students to write down the answers and then check them back.
9. After the accident, he had to go back to work after a few weeks of recovery.
10. They decided to move back to their hometown after living abroad for a long time.