If you be hungry, eat something!

It looks like you have a list of sentences with corrections or rephrasings. Here’s a clean summary of what you've written for each point:

10. **Correction:** If you are hungry, you will eat something.
11. **Correction:** Minh really enjoys hanging out with friends.
12. **Correction:** Playing beach games is very interesting.
13. **Correction:** He spends all his free time looking after his garden.
14. **Correction:** The red car is more expensive than the black one.
15. **Correction:** If she doesn’t wear warm clothes, she will catch a cold.
16. **Correction:** They will have a pool party unless it rains.
17. **Correction:** I won’t remember to call him if he doesn’t remind me.
18. **Correction:** If you don’t do this now, you will regret it.
19. **Correction:** I will feel bored if my best friend doesn’t come to the party with me.

If you need help with anything specific related to this, feel free to ask!