Помогите пожалуйста. Соедините два предложения, используя Perfect и before или after....

Question

Помогите пожалуйста. Соедините два предложения, используя Perfect и before или after.
Образец: She went on holiday. She took the examination. She went on holiday after she had taken the examination. She had taken the examination before she went on holiday.
1. He mended the chair. His mother returned. 2. They left home. The postman came. 3. They painted their flat. Their parents visited them. 4. Egor read about some well-known British artists. Then he visited the Tate Gallery. 5. He saw every show in town. Then he left.

Answer 1

1. He had mended the chair before his mother returned.
2. Before they left home, the postman had come.
3. They had painted their flat before their parents visited them.
4. Egor had read about some well-known British artists before he visited the Tate Gallery.
5. After he had seen every show in town, he left.