Exercise 5: Find mistakes and correct the s 1. I go to visit grandparents my on Sunday afternoon. 2. Dog cannot walk. 3. Can he plays the piano? 4. My mother can play the guitar and she can plays the piano, too.... 5. What are you from? 6. What is your birthday? 7. Who is it? - It's an English book. 8. Today is on the fifth of December.. 9. My birthday is in the ninth of June.. 10.Nga, Tuan and Hoang is playing chess. 11.I likes playing chess,