**Here are 10 examples of using the word «extra» in English:**
1. I need to buy some extra batteries for my flashlight.
2. She is an extra member of our team, but she works really hard.
3. Can I have an extra cup of coffee, please?
4. The teacher gave us an extra assignment to do.
5. He is an extra pair of hands on our project.
6. The store has an extra sale on all kinds of toys.
7. We need to hire some extra staff for the event.
8. She always brings an extra umbrella with her just in case.
9. He got an extra bonus for his outstanding work.
10. We have an extra ticket for the concert, do you want it?
The word «extra» can be used in different contexts to mean additional, extra, or supplementary.