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Exercise 1.

1. Did your father repair your bicycle yesterday?

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2. Does your teacher often ask you to give speeches?

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3. Nobody gave me a birthday present on my last birthday.

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4. Did they elect Nam as a President of the club?

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5. Were you feeding the birds in your garden at three o’clock yesterday afternoon?

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6. They were repairing the car when the accident happened.

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7. Many women are now taking over business for their absent husbands.

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8. Did they finish the work?

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9. Will they hold the meeting before the first of May?

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10. Someone was cleaning the window while I was there.

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Exercise 4.

1. Did Mary buy this beautiful dress?

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2. I won’t hang these old pictures in the living room.

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3. The German didn’t build this factory during the Second World War

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4. The Greens are going to paint this house and these cars for Christmas Day

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5. The students haven’t discussed the pollution problems since last week.

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6. Have the thieves stolen the most valuable painting in the national museum?

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7. Some people will interview the new president on TV.

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8. How many languages do they speak in Canada?

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9. Are you going to repair those shoes?

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10. Have you finished the above sentences?

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Exercise 3.

1. Why do many people learn English?

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2. What time do you cook Dinner?

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3. How did he do this exercise?

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4. How do people make candles?

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5. Who invented the telephone?

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6. Did Henry sing English songs beautifully?

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7. Have they asked you several questions?

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8. The hosts didn’t give us a very warm welcome.

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9. No-one has ever met him before.

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10. Does your father often take you to the school?

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Exercise 2.

1. She won’t tell you her secret

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2. We haven’t seen him for a long time

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3. No one knows him

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4. Nobody has used this motorbike for a long time.

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5. Nobody tells us about this project.

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6. Do the students enjoy the song?

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7. How can we keep our fields in good condition?

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8. Did he do that work?

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9. Have they visited their grand father?

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10. Are you going to take an exam?

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