Common Mistakes - 01

Can you spot the grammar mistakes? Click on the wrong words and then correct them. There are eight mistakes.
1. The boy swimming in the pool now.
2. The children playing in the park now.
3. You are fast at the moment.
4. My friends are writing in the book now.
5. I walking at the moment.
6. My father is the grass now.
7. You are dancing to the music now.
8. I eating pizza now.
9. The students driving cars right now.
10. The teacher is the board now.