Below are the answers for the exercises provided in the image:
### Exercise 1:
Sort the verbs into the appropriate categories:
- Adding -ing: stop → stopping, sleep → sleeping, die → dying, run → running, walk → walking, dance → dancing, swim → swimming, shop → shopping, write → writing, laugh → laughing, study → studying, play → playing.
### Exercise 2:
Complete the sentences:
1. A: Where's Bob? He is playing with his friends.
2. A: What is she doing? She is watching TV.
3. A: Where are they going? They are going to the supermarket.
4. A: Tim is not working at the moment.
B: Really? Is he looking for a job?
### Exercise 3:
Use the expressions in sentences:
1. I am studying English now.
2. I am reading a book at the moment.
3. These days, I am learning how to cook.
4. Tonight, I am going to watch a movie.
### Exercise 4:
Rewrite sentences in the interrogative and negative forms:
1. Are the musicians performing? / The musicians are not performing.
2. Is Mary drinking cola? / Mary is not drinking cola.
3. Are the clowns holding balloons? / The clowns are not holding balloons.
4. Am I taking pictures of my friends? / I am not taking pictures of my friends.
5. Are you feeling tired? / You are not feeling tired.
### Exercise 5:
Rearrange the words:
1. The children are playing cricket in the park.
2. Paul is working in Rome this month.
3. I can't swim because I am not wearing my swimsuit.
4. Is Linda studying in her room?
### Exercise 6:
Correct the mistakes:
1. Bill loves eating strawberries and cream.
2. He always eats strawberries and cream when he visits his grandmother.
3. In fact, he is eating a big bowl right now.
4. What classes are you taking this term?
5. My little cousin still believes in Father Christmas.
6. We are going to the beach this afternoon.
Let me know if you need additional clarification!