1. I think he's right.
2. The cake smells nice.
3. Mother is tasting the soup.
4. I am performing at the concert hall tomorrow.
5. I understand what you mean.
6. The days are getting shorter and shorter.
7. The train leaves at 8 am.
8. In the evening I am meeting my friends.
9. I hear some beautiful music.
10. I am attentively listening to you.