Exercise 8. Complete the sentence with the Past Simple or Past Perfect form of the verb in brackets.
1. When I (try) tried to use my laptop, I realized the battery (run) __________ down.
2. I (turn) __________ the computer off, but forgot that I (not save) __________ my work.
3. I only remembered I (not pay) __________ the bill when my Internet connection (stop) __________ working.
4. When I (receive) __________ the e-mail, I couldn't understand who (send) __________ it.
5. When I (check) __________ the instructions, I understood what I (do) __________.
6. I knew I (receive) __________ a virus when I (run) __________ the anti-virus program.
7. As soon as I (download) __________ the document, I knew I (make) __________ a mistake.
8. I could see what (go) __________ wrong as soon as I (look) __________ inside the printer.
9. I knew I (press) __________ the wrong key when nothing (happen) __________.
10. When the screen (go) __________ blank, I couldn't understand how it (happen) __________.
Exercise 9. Put the verbs into the Past Continuous, Past Perfect or Past Perfect Continuous.
1. It was very noisy next door. Our neighbours were having__ (have) a party.
2. We were good friends. We __________________ (know) each other for years.
3. John and I went for a walk. I has difficulty keeping up with him because he_______________ (walk) so fast.
4. Sue was sitting on the ground. She was out of breath. She _________________ (run).
5. When I arrived, everybody was sitting round the table with their mouths full. They _________________________ (eat).
6. When I arrived, everybody was sitting round the table and talking. Their mouths were empty, but their stomachs were full. They ________________________ (eat).
7. Jim was on his hands and knees on the floor. He ______________________ (look) his contact lens.
8. When I arrived, Kate _______________________ (wait) for me. She was annoyed with me because I was late and she ______________________________ (wait) for a long time.
9. I was sad when I sold my car. I ____________________ (have) it for a very long time.
10. We were extremely tired at the end of the journey. We ________________________ (travel) for more than 24 hours.
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