Ex. 3. Give the correct verbs form. 1. When Hoa arrived at the theater, the film ____________(start). 2. He ____________ (live) in Laos before He went to Vietnam. 3. After Lan ____________ (eat) the cake, Lan began to feel sick. 4. If he ____________ (listen) to me, he would have got the job. 5. Linh didn’t arrive until after I ____________ (leave). 6. When they ____________ (finish) lunch, they went out. 7. The tree was dead because it ____________ (be) arid all summer. 8. I ____________ (meet) him somewhere before. 9. They were late for the flight because they ____________ (forget) their passports. 10. Linh told me she ____________ (study) a lot before the exam. 11. The leaf was yellow because it ____________ (not/rain) all summer. 12. The lamp went off because I ____________ (not/pay) the electricity bill. 13. Hoa____________ (not/do) her homework, so she was in trouble. 14. She ____________ (not/eat) so we went to a restaurant. 15. I couldn’t go into the cinema because I ____________ (not/bring) my tickets. 16. He said that He ____________ (not/visit) the US before. 17. Hoa and Lan ____________ (not/meet) before the exam. 18. I ____________ (not/have) lunch when she arrived. 19. She ____________ (not/use) smartphone before, so I showed her how to use it. 20. Linh ____________ (not/study) for the exam, so she was very anxious.