جملات اصلی

1. Playing chess requires great concentration.

2. It is not easy to learn Chinese.

3. It is difficult to understand the motives of many politicians.

4. Interviewing applicants is often stressful and unrewarding.

5. Speaking English is always useful when travelling abroad.

6. It is never simple to move abroad.

7. Thinking about danger is often illogical.

8. It has been difficult to accept his death.

9. Flying to Africa will be great fun.

10. Working hard for so many years has been tiring for them.

جملات تبدیل شده

1. It requires great concentration to play chess.

2. Learning Chinese is not easy.

3. Understanding the motives of many politicians is difficult.

4. It is often stressful and unrewarding to interview applicants.

5. It is always useful to speak English when travelling abroad.

6. Moving abroad is never simple.

7. It is often illogical to think about danger.

8. Accepting his death has been difficult.

9. It will be great fun to fly to Africa.

10. It has been tiring for them to work hard for so many years.