Gerund or present participle.
1. They are interested in skiing.  Present participle  Gerund 2. Your constant whining annoys me.  Present participle  Gerund 3. I saw him running.  Present participle  Gerund 4. Traveling was his passion.  Present participle  Gerund 5. He loves reading.  Present participle  Gerund 6. The crying man asked for forgiveness.  Gerund  Present participle 7. She is working. [...] MORE