1. A cat is on the mat. HeItSheThey is on the mat.
2. The rabbits are playing in the field. HeItSheThey are playing in the field.
3. My sister is a student. HeItSheThey is a student.
4. My brother is fat. HeItSheThey is fat.
5. My friends are singing. HeItSheThey are signing.
6. My mother has black hair. HeItSheThey has black hair.
7. The giraffe has a long neck. HeItSheThey has a long neck.
8. My father is a teacher. HeItSheThey is a teacher.
9. The dog is running. HeItSheThey is running.
10. The students are learning Chinese. HeItSheThey are learning Chinese.
11. The boy is flying a kite. HeItSheThey is flying a kite.
12. The girl is playing with her doll. HeItSheThey is playing with her doll.
13. My house is big. HeItSheThey is big.
14. The children like their teacher. HeItSheThey like their teacher.
15. My father is reading a book. HeItSheThey is reading a book.