Помогите отыскать ошибку в каждом предложении 1. The tables legs are

Помогите отыскать ошибку в каждом предложении
1. The tables legs are too long.

2. They have their own ones.

3. We мейд a three hours trip.

4. She has three ones.

5. This is peacefull village.

.6 Theirs are good, but we have the fastest ones.

7. The rifles you bought last week are Spain.

8. We shall have to defent.

9. How many fighters was lost?

10. What time will they take of?