Put the sentences into Present Perfect Continuous, make negative sentences and questions. 1. He (play) at the school sport ground for 2 hours. (How long?) 2. They (go) shopping in the mall for 3 hours. (Where?) 3. I (read) a magazine in my room for half an hour. (What?) 4. I (sing) in the classroom for 10 minutes. (Where?) 5. She (swim) in the pool for 20 minutes. (How long?) 6. We (make) a snowma