Ex. 4 Переведите на российский язык, обращая внимание на употребление времен

Ex. 4 Переведите на российский язык, обращая внимание на употребление времен в российском и английском языках.

1. I knew that you were ill. 2. I knew that you had been ill. 3. We found that she left home at eight o'clock every morning. 4. We found that she had left home at eight o'clock that morning. 5. When he learnt that his son always received excellent marks in all the subjects at school, ho was very pleased. 6. When he learnt that his son had received an excellent mark at school, he was very pleased. 7. We did not know where our friends went every evening. 8. We did not know where our friends had gone. 9. She said that her best friend was a doctor. 10. She said that her best friend had been a doctor. 11. I didn't know that you worked at the Hermitage. 12. I didn't know that you had worked at the Hermitage