VI. Put the verbs into the correct tenses. 1. This is the first time I (experience) …………. such a terrifying flood. 2. Before I (arrive) ……………. in Changi airport, he ……………. (be) there for 30 minutes to pick me up. 3. If I (have) ……………. one million US dollars, I (build) ……………. more parks in our city. 4. If I had had more time in my business trip to Australia, I (pay) ………………. a visit to the Opera House. 5. Before I moved to Florida, I (spend) ……………. three days visiting Texas. 6. By the time the earthquake (stop) ……………., tens of big building in this small area (destroy) ……………. 7. The next train to Bristol (start) ……………. at 8.45 a.m, so I must go now. 8. In recent decades, people’s health (threat) ……………. by many diseases caused by pollution. 9. I (hear) ……………. the news about one devastating typhoon in America the day before yesterday. 10. If you (be) ……………… the president, what would you do to help the environment? 11. If you want to reduce the light, I (turn off) …………………. some LED bulbs. 12. I (never witness) …………………. any natural disaster in my life. 13. The football match (end) ………………….at 9 p.m tonight. 14. The concert (begin) ……………. at 7.30 p.m and (last) ………………. two and a half hour. Don’t be late.