.

14. He doesn't learn hard. He fails his exams

=> He would pass the exam if he learned hard

15. I'm too poor to take a space trip

=> i'm not rich enough to take a space trip

16. I don't have a car, so I can't drive you to the airport

=> if i had a car, i could drive you to the airport

17. Nam is too young, so he can't take part in the project to be trained to become an astronaut

=> nam can’t take part in training to become an astronaut because he is too young

19. We haven't got any matches, so we can't light a fire

=> If we had got some matches, we could light a fire

20. He doesn't help me, possibly because I never ask him for help

=> If I asked him for help, he would help me

21. I don't know his address, so I can't write to him

=> if i knew his address, i could write to him

22. You work too fast, that's why you make so many mistakes

=> if you didn't work too fast, you wouldn't make so many mistakes

23. I don't have a map, so I can't direct you

=> if i had a map, i could direct you

24. English people speak very quickly. Perhaps that's why I can understand them

=> If English people didn't speak quickly, I could understand them

25. I live near my office, so I don't spend much time traveling to work

=> if i didn't live near my office, i would spend much time traveling to work

Wear/ uniforms/ encourage/ students/ proud/ school.

=> wearing uniforms encourages students to be proud of their school

What/ Mr.brown/ do/ living/ town?

=> What does Mr. Brown do for his living in town?

Nobody gave me any presents for my birthday.

I wasn't given any presents for my birthday

1. Peter watched cartoon film in the living room last night

=> what did peter do in the living room last night?

=> where did peter watch cartoon film?

1.Children studio english at school

-english is studied at school

2.we are speakinh English

-english is being spoken 

Minh is eating a cake

-a cake is being eaten by minh

7.he invented St telephone in 1876

-a telephone was invented in 1876

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