Обрадуйте условные предложения .Даю 40 баллов 13. He always gets top marks in mathematics...

Question

Обрадуйте условные предложения .Даю 40 баллов
13. He always gets top marks in mathematics because it is his favourite subject and he works a lot at it. If ... . 14. I didn't translate the article yesterday because I had no dictionary. If ... . 15. We lost our way because the night was pitch-dark. If ... . 16. The box was so heavy that I couldn't carry it. That's why I took a taxi. If ..

Answer 1

13 If mathematics wasn't his favourite subject, he wouldn't always get top marks in it 
14 If i had had a dictionary, I would have translated the article
15 If the night hadn't been pitch-dark, we wouldn't have lost our way
16 If the box hadn't been so heavy, I could have carried it and I wouldn't have taken a taxi.