Ex2: a. Jane is my little sister. Today are her birthday. b. They is happy because of the gifts c. There is 3 balls on the table. d. The Christmas tree are green. e. My mother are a doctor. Bài tập về tính từ sở hữu 1. This is_____ 1 (my/1) book and that is (your/ you) book. 2. Music is______ (I/ my) favourite subject. 3. _____ (I/ My) want to be a teacher and___ (my/ me) sister wants to be a doctor. 4. Mai likes English but (her/ she) brother doesn’t. 5. (Nam and Lan’s teacher/ Nam and Lan teacher) is very nice and fiendly. 6. Hoa’s pencil case ___ (is/ are) blue. (Her/ She) fiends’ pencil cases are violet. 7. (Those student’s school bags/ Those students’ school bags) are very heavy. 8. What is______ (your/ you) father’s job? 9. _______ (He/ His) is an engineer. 10. How old______ (are/ is)_____ (your/ you) sister? 11. _______ (She/ Her) is ten years old 12. _______ (The women’s bikes/ The womens’ bikes) are new but_______ (the mens’ bikes/ the men’s bikes) are old.