Cách 1: Đảo ngược hai mệnh đề
* We will cancel the picnic if it rains tomorrow.
* You will improve your vocabulary if you study English every day.
* I will help you with your homework if I have time.
* Can you buy me some milk if you go to the store?
* You will live a long life if you take care of your health.
* You will become more fluent if you practice speaking English every day.
* I will buy a new house if I win the lottery.
* Remember to bring sunscreen if you go to the beach.
* You will get a good grade if you study for the exam.
* We will go to the movies if we have time.
Cách 2: Sử dụng "should" trong mệnh đề điều kiện
* Should it rain tomorrow, we will cancel the picnic.
* Should you study English every day, you will improve your vocabulary.
* Should I have time, I will help you with your homework.
* Should you go to the store, can you buy me some milk?
* Should you take care of your health, you will live a long life.
* Should you practice speaking English every day, you will become more fluent.
* Should I win the lottery, I will buy a new house.
* Should you go to the beach, remember to bring sunscreen.
* Should you study for the exam, you will get a good grade.
* Should we have time, we will go to the movies.
Giải thích:
* Mệnh đề if: Thường diễn tả một điều kiện, một giả thiết có thể xảy ra.
* Mệnh đề chính: Thường diễn tả kết quả, hậu quả sẽ xảy ra nếu điều kiện được đáp ứng.