Как поставить в отрицательную форму предложение.The train develops a speed of 130kilometres per hour on

1. The train doesn't develop a speed of 130kilometres per hour on some sections.

2. The boy doesn't play football every day.

3. He doesn't translate the text.

4. They don't buy a new detached house.

5. We don't know the grammar rules well.

6. My sister doesn't like pets.