1. Practice speaking every day or you can't improve your English. => If 2. Study harder or you'll fail in the next exam. => If you don't 3. Unless you water these plants ,they will die. => The plants will die if 4. Study hard or you'll fail in the nẽt exam. => If 5. Keep calm is the secret of passing your driving test. => If you

Phương pháp làm trong bài tập này là thay đổi cấu trúc câu ban đầu bằng cách sử dụng "if" hoặc "unless" để tạo ra một câu mệnh đề có ý nghĩa tương tự.

1. If you don't practice speaking every day, you can't improve your English.
2. If you don't study harder, you'll fail in the next exam.
3. The plants will die if you don't water them.
4. If you don't study hard, you'll fail in the next exam.
5. If you don't keep calm, you won't pass your driving test.

If you don't study hard, you'll fail in the next exam.

The plants will die if you don't water them.

If you don't study harder, you will fail in the next exam.

If you don't practice speaking every day, you won't be able to improve your English.