соедините два простых предложения в сложное. Один из глаголов используйте в форме Past Perfect.
1. I read the letter. I threw it away (when)
2. He passed his driving lest. He bought a car. (as soon as)
3. I took the book back to the librady. I finished reading it. (when)
4. I didn't go to bed. I did my homework (until)
5. I spent all my money. I went home. (when)
6. I read the book. I saw the film (before)
7. Her children left home. She started writing. (after)​