Past Tense of "Be"

Change from the Present to the Past Tense.
And then to the negative. “You are in a Zoo”.

1. Tom is repairing the ostriches’ old cage..

Tom was repairing the ostriches’ old cage.

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2. Mary and John are cleaning the salamander and iguana’s cages.

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3. The boys are training the elephant.

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4. Calvin is searching for rattlesnake and cobras for the Zoo’s exhibition.

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5. Penguins are living in the North Pole.

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6. Agatha is feeding the peacocks, the pheasants and the flamingos.

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7. The stork is making a new nest near the water.

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9. The sharks, stingrays, and eels are being moved to a larger tank.

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10. There is a new litter of baby tigers and lions at the children’s Zoo.

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11. The dolphin’s flipper is bleeding. (flipper = aleta)

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12. The chimpanzee, gorilla, orangutan, an the baboon are in quarantine.

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13. Grizzly, and black bears are not living in the same cage.

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14. Polar bears are in a special cage with a water tank installed in it.

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15. Hippopotamus and rhinoceros are not the favorite of tourists.

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16. Mrs. Giraffe is going to be a mama very soon.

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17. The high school students are near the raccoons and skunks’ den.

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