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4. Uncle Fred / to wash his car.

5. Aunt Polly / to pay a visit to her niece.

6. John / to do his homework.

7. Barbara / to write her project.

8. Their cousin Rachel / to plant some roses in the garden.

Uncle Fred washes his car
Aunt Polly is paying a visit to her niece
John is doing his hw
Barbara is writing her project
Their cousin Rachel is planting some roses in the garden

4) washes his car
5) is paying
6) is doing
7) is writing
8) it’s planting