1. She had been to Oxford before.

2. When I found my camera the butterfly had flyed.

3. He had not been on TV before that

4. My sister had bought tickets before we came.

5. You had called her before she returned

6. When Alice came to say good - night, her children had slept.

7. She didn't like this book because she had read before.

8. Molly couldn't skate after she had breakenher leg.

Ответ:

1) had been

2) had flown

3) hadn't been

4) had bought

5) had called

6) там нет слова которое нужно поставить

7) had read

8) had broken

Объяснение: