Exercise 3: Put the verbs in brackets into the correct TENSE. 1. Nam (find) ___________________ a good solution to the geometric problem while he (walk) ________________ in the garden yesterday afternoon. 2. When I (be) ________________ a little child, my mum often (tell) ___________________ me a fairy tail before I (go) _________________ to sleep. 3. Last Friday evening I (have) _________________ dinner with my parents when Nam (phone) _____________ me. 4. Yesterday afternoon while I (prepare) ___________________ my lessons, my brother (play) _________________ badminton in the front yard with his friend. 5. My motorbike (break) _________________ down while I (go) _________________ to school yesterday. 6. The earthquake (occur) _________________ while the villagers (sleep) _________________ soundly, and it (kill) _________________ 50 people in the village. 7. Hoan (be) _______________ punished because he (fall) _________________ asleep while his teacher (give) _________________ lectures. 8. Last Sunday while the fire brigades (fight) ____________________ against the fire, many people (just, watch) _________________. 9. The explosion suddenly (happen) _________________ in the factory while workers (work) _________________, so a lot of people (kill) _________________ and seriously injured. 10. The police (block) _________________ the many streets when the robbery (take) _________________ place. 2 robbers (arrest) _________________ at the scene and one (shoot) _________________ dead. MK cần gấp ạ