5. Mai said, "It is raining heavily outside."
→ Mai said that it was raining heavily outside.
6. Have you ever played a computer game before?
→ Is this the first time you have played a computer game?
7. France presented the Statue of Liberty to the United States in 1876.
→ The Statue of Liberty was presented to the United States by France in 1876.
8. The water was so cold that the children couldn't swim in it.
→ The water wasn't warm enough for the children to swim in.
9. People should stop experiments on animals.
→ Experiments on animals should be stopped.
10. Nobody wore these clothes in the festival (passive voice).
→ These clothes weren't worn in the festival.
11. My mother bought me a nice blouse.
→ A nice blouse was bought for me by my mother.
12. They say that the company is in difficulty.
→ The company is said to be in difficulty.
13. You can get a suntan by sunbathing.
→ If you sunbathe, you can get a suntan.
14. "Would you mind waiting for a few minutes?"
→ We would like to know if you would mind waiting for a few minutes.
15. "Where's the best place to buy souvenirs?"
→ I asked her where the best place to buy souvenirs was.
16. You won't lose weight if you don't stop eating much.
→ You won't lose weight unless you stop eating much.
17. To know English is necessary.
→ It is necessary to know English.
18. May Day is considered to be the day of the working class.
→ Everyone considers May Day to be the day of the working class.
19. In Stratford-upon-Avon, we saw Shakespeare's birthplace.
→ We saw the house where Shakespeare was born in Stratford-upon-Avon.
20. There are far more heavy lorries on the road than there used to be.
→ There didn't used to be as many heavy lorries on the road.
5 Mai said it was raining heavily outside
6 Is this the first time you have ever played a computer game
7 The Statue of Liberty was presented to the United States by France in 1876
8 The water wasn't warm enough for the children to swim in
9 Experiments on animals should be stopped
10 These clothes weren't worn in the festival
11 A nice blouse was bought for me by my mother
12 The company is said to be in difficulty
13 If you sunbathe, you can get suntan
14 We asked him if he would mind waiting for a few minutes
15 I asked her where the best place to buy souvenirs was
16 You won't lose weight unless you stop eating much
17 It is necessary to know English
18 Everyone considers May Day is the day of the working class
19 We saw the house of Shakespeare in Stratford upon-Avon
20 There didn't as many heavy lorries on the road in the past than there are now