1. My brother is the tallest in our family.
2. She plays the piano well.
3. I've been studying English for 5 years.
4. I'm not sure if I will go to the party tonight.
5. The concert was such a fantastic experience.
6. By the time we get to the airport, the plane will have taken off.
7. He would have passed the exam if he had studied more.
8. The book is too difficult for me to understand.
9. I'm interested in learning about different cultures.
10. The weather is nice, isn't it?