Write sentences in the correct order.

2. It's important that everybody should feel comfortable.

=> Điều quan trọng là mọi người phải cảm thấy thoải mái.

3. I am surprised that she hasn't phoned.

=> Tôi ngạc nhiên là cô ấy chưa gọi điện.

4. We were disappointed that he never replied to our letter.

=> Chúng tôi rất thất vọng vì anh ấy không bao giờ trả lời thư của chúng tôi.

5. I am sorry that I behaved in such a childish way.

=> Tôi xin lỗi vì tôi đã cư xử một cách trẻ con như vậy.

6. I was worried that you wouldn't come back.

=> Tôi đã lo lắng rằng bạn sẽ không trở lại.

7. We were afraid that you would miss the flight.

=> Chúng tôi sợ rằng bạn sẽ bỏ lỡ chuyến bay.

8. It was amazed that nobody was hurt in the accident.

=> Thật ngạc nhiên là không ai bị thương trong vụ tai nạn.

Match the two halves of the sentences with IF.

1. the weather is fine - d. we'll go for a walk

=> If the weather is fine, we'll go for a walk.

2. you continue lending money - a. you will be in trouble

=> If you continue lending money, you will be in trouble.

3. he goes on telling lies - e. nobody will believe him

=> If he goes on telling lies, nobody will believe him.

4. you read in bad light - b. you'll ruin your eyes

=> If you read in bad light, you'll ruin your eyes.

5. you'll be angry - c. he doesn't come

=> If he doesn't come, you'll be angry.

Câu điều kiện loại 1: If + S + V(present simple), S + will (not) + V(inf).

Hoàn thành những câu sau.

1. the weather is - we will drive

2. she sends - they will receive

3. Fred will be - Jack arrives

4. I will come - I have

5. she doesn't pass - she won't get

6. You will learn - you take

7. I get - I will go

8. I will buy - it doesn't cost

9. you run - you will catch 

10. I will go - I don't feel

Câu điều kiện loại 1: If + S + V(present simple), S + will (not) + V(inf).

=> Diễn tả một sự việc có thể xảy ra ở hiện tại hoặc tương lai.

Rewrite the following sentences.

1. Unless you study hard, you'll get bad marks.

2. If this man is not a driver, he can't help you move by car.

3. Unless he practices writing every day, he can't improve his writing skills.

4. If you don't return this book to the library today, you'll have to pay a fine.

5. If you don't go out more often, you might feel sick.

Unless = If ... not: trừ khi => Unless + S + V(present simple), S + will (not) + V(inf).