1. "Would you like to have dinner out with me tonight, Sam?"

- Peter gave an invite to Sam to have dinner out with him.

2. He hasn't made so many mistakes like this before

- Never before has he made so many mistakes like this.

3. Traffic jams/We should use/to avoid causing/of private motorbikes/public buses instead

- We should use public buses instead of private motorbikes to avoid causing traffic jams

4. seriously considered/before it becomes/should be/the problem of pollution/too late

- The problem of pollution should be seriously considered before it becomes too late.

-------------------------------------------@natalielewis--------------------------------------------

Chúc bạn học tốt!!!

1.Peter gave Sam an invitation to have dinner out with him

2.never before has he made so many mistakes like this-câu đảo ngữ

3.we should use public buses instead of private motorbikes to avoid causing traffic jams

4.the problem of pollution should be seriously considered before it becomes too late