"our" 是一个形容词性物主代词，用于表示“我们的”。它可以组成许多不同的句子，以下是一些例子：

1. This is our classroom.

2. Our teacher is tall.

3. Let's go to our new school.

4. There are fifty teachers in our school.

5. Our school is nice.

6. Our motherland is the greatest country in the world.

7. Our country is rich in resources.

8. Our house is big.

9. Our school is beautiful.

10. Your room is larger than ours!

11. Our friendship will never die.

12. Our life has been changed.

这些句子展示了 "our" 在不同语境下的用法，包括描述地点、人物和情感等。希望这些例子能帮助你更好地理解和使用 "our" 这个词。