Put the verbs in brackets in the correct tense, Past Simple or Past Continuous, making all the necessary changes. Then press "Check answer" to see if your answer is correct. If you make a mistake, try again until you get the sentence right. If you need help, you can click on the "Hint" button to get the next correct letter. Use the arrows <= and => to move between the questions. You needn't answer the questions in the given order, but you must answer all of them correctly to complete the exercise.

1. The man (leave) the shop when the policeman (stop) him.
   
   
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2. Fred (go) home and (have) a shower before he (call) his sister.
   
   
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3. Mandy (play) the piano while Jack (do) his homework?
   
   
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4. When Frank (see) the policeman, he (put) the pen back.
   
   
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5. When you last (open) this safe?
   
   
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6. Henry (finish) his newspaper while he (wait) for the bus.
   
   
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7. The teacher (correct) tests when the postman (ring) the bell.
   
   
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8. They (play) with the dog when I (see) them.
   
   
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9. I (want) to buy some bread yesterday, but the shopkeeper not (have) any.
   
   
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10. Our plane (fly) over Scotland when the accident (happen).
    
    
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11. While my sister (play) tennis, I (do) her homework.
    
    
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12. Jill (work) in the garden when it (begin) to rain.
    
    
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13. Where you (go) yesterday when I (see) you?
    
    
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14. When I (be) a little boy, I not (like) basketball.
    
    
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