1. After he **had done** his homework, he **went** to the cinema.2. By the time she **came**, her parents **had already left**.3. He **took** his jacket, **unlocked** the door, and **left**.4. She **cooked** all yesterday morning, so that was the reason why she **was** so tired.5. Martin **was** ill because he **ate** something in a bad state.6. They **were having** a party when they **heard** a noise.7. When they **arrived**, we **had already done** the housework.8. They **bought** the tickets before they **did** the exam.9. She **had lived** in Monaco for three days before moving to London.10. The baby **had eaten** sweets yesterday. That's why he **was** so dirty.11. Michael **bought** her a present after he **asked** for my advice.12. What **will you be doing** by the time she **calls** you?13. My parents **were sleeping** when I **got** home.14. She **painted** that toy while he **was doing** his homework.15. They **called** the dentist before they **had** breakfast at the hotel.16. My father **worked** here since 2010 until he **found** a better job.17. They **took** their child and **left** the party quickly.18. Michelle **did not come** to school because she **forgot** to do her homework.