Rewrite the sentence using the past progressive tense:

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II. Rewrite the sentence using the past progressive tense:
1. He/ talk/ his father/ phone/ when/ I/ arrive.
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2. They/ sing/ dance/ 8 o'clock/ last night.
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3. Mrs. Hoa/ not teach/ students/ this time/ yesterday.
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4. While/ he/ have/ dinner, the light/ turn/ off.
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5. My mother/ water/ flowers/ 7 o'clock/ this morning.
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6. The children/ do/ homework/ 7 p.m./ 9 p.m.
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