1)I am the oldest in my family.
2)My sister is younger than me.
3)Who is the oldest in the class?
Остальное напишу в коментах,а то зарядка щяс кончится)

1. I am the oldest in my family. - Am I the oldest in my family?
2. My sister is younger than me. - Is my sister younger than me?
3. Who is the oldest in the class?
4. My book is more interesting than your book.
5. Peter bought the most expensive watch in shop.
6. English isn't as difficult as Japanese. - Is English as diffcult as Japanese?
7. The weather today is much better than yesterday.
Парные предложения можно записать и в утвердительной, и в вопросительной формах.