Привет! Я с радостью помогу тебе с предложениями с глаголом to be. Вот они:

1. I am a student.
2. You are my best friend.
3. He is very tall.
4. She is a great singer.
5. It is a sunny day.
6. We are in the same class.
7. They are happy kids.
8. This book is interesting.
9. That car is fast.
10. My favorite color is blue.
11. Your idea is brilliant!
12. Her dog is very friendly.
13. Our school is big and bright.
14. His hobbies are fun.
15. These apples are delicious.
16. Those flowers are beautiful.

Надеюсь, это поможет!