Rewrite the following sentences, using “used to”

IX. Rewrite the following sentences, using “used to”
1. My mother worked at a restaurant 3 years ago but now she doesn’t.
My mother used to work at a restaurant 3 years ago.
2. He was the president of Student Union but now he isn’t.
He used to be the president of Student Union.
3. There were many tree-lined streets in my hometown but now there is none of them.
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4. My husband didn’t do housework but now he does.
My husband didn’t use to do housework.
5. Children didn’t play with high-tech devices at an early age but now they do.
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6. The students didn’t go to school by public transportation but now they do.
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7. My city was a tourist destination but now it isn’t.
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8. Traffic jam didn’t happen when I was small but it happens now.
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