Ex. 4
1. I am reading a book now.
2. What are you doing now?
3. Look! He is running.
4. My friend keeps not doing this.
Ex. 5
1. do you speak
2. don't know
3. are you laughing at
4. are you coming from
5. isn't playing
6. don't understand
7. is singing
8. am not watching
9. leave
10. wants