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2. These's a dog on the sofa. OR The dog is on the sofa.

3. These's a tiger for the dogs. OR The tiger is for the dogs.

4. These's a person behind the tree. OR The person is behind the tree.

5. These's a lamp near the chair. OR The lamp is near the chair.

6. These's an elephant ahead the chair. OR The elephant is ahead the chair.

7. These's a ball over the bench. OR The ball is over the bench.

8. These's a baby under the table. OR The baby is under the table.