Question

B - Write a sentence. Use the past continuous according to the directions in parentheses.
4. That child / (play) / the piano (affirmative form)
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5. Sally and Bill / (walk) / their dog (negative form)
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6. Mis Jones / (cut) / vegetables for lunch (interrogative form)
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Answer 1

4. that child plays the piano

5.sally and bil doesn't walk their dog

6.mis Jones are cutting vegetables for lunch?

Answer 2

4- That child was playing the piano.
 5- Sally and Bill wasn't walking their dog.

6- Was Mis Jones cutting vegetables for lunch?