Complete these sentence with the verb ski in the correct form 1. i go every winter. 2. i started when i was six. 3. i tried down the mountain, but it was two steep. 4. my instructor made me down the steep mountain. 5. i enjoy very much. 6. dave used when he was younger, but not any more.

1. I go skiing every winter. 2. I started  skiing/to ski when I was six. 3. I tried to ski down the mountain, but it was two steep. 4. My instructor made me ski down the steep mountain. 5. I enjoy  skiing very much. 6. Dave used to ski when he was younger, but not any more.