**Here are 10 examples of using the word «thirty» in English:**
1. I have been waiting for my bus for thirty minutes already.
2. My favorite number is thirty-five, but thirty is also quite good.
3. The temperature outside is about thirty degrees Celsius.
4. I need to buy thirty bananas for the recipe.
5. My son will be thirty years old next month.
6. I have lived in this house for thirty years.
7. There are thirty students in my English class.
8. I have been working for this company for thirty years, and I still enjoy it.
9. The movie starts at thirty minutes past seven.
10. I need to pay thirty dollars for this service.