Put the verbs in brackets into the correct past tense. 1 Yuri … (work) on his computer for two hours before it … (break down). 2 I … (mop) the floor while my brother was cutting…

Here are the sentences with the verbs in brackets correctly put into the past tense:

1. Yuri had been working on his computer for two hours before it broke down.
2. I was mopping the floor while my brother was cutting the grass.
3. Were you sleeping when the earthquake happened?
4. This time last week, I was flying to Paris.
5. Sam was really happy because he had passed all his exams.
6. Sarah had cleaned the house by the time her parents came back.
7. James waited for a while and then opened the door to see who had made that strange noise.
8. Marion did not go shopping because she had spent the morning with her little brother that day.

Tenses Used:

• Past continuous: used for ongoing actions in the past (e.g., was mopping).
• Past simple: used for completed actions in the past (e.g., broke down, happened).
• Past perfect: used for actions completed before another past action (e.g., had been working, had passed).