(Trộn lại thành 5 câu điều kiện luôn bạn nha!)
- Type 0: If we throw the stone into water, it sinks. 
- Type 1: If you finish the homework, you will have an ice-cream. 
- Type 2: If I were you, I wouldn't do that. 
- Type 3: If it hadn't been for your help, we would have failed the exam. 
- Kết hợp (2 + 3): If they had followed these steps, they wouldn't be in a mess now.

1. If he studies hard, he will pass the exam.

2. If we pollute the water, the fish will die.

3. If I don't get up, I will miss breakfast.

4. If the weather is bad, we won't have a picnic tomorrow.

5. If more people cycle, the air will fresher.