- Is Mary my best friend?
- Are John and Cindy classmates?
- Is Peter my brother?
- Are you a good student?
- Are they in the classroom?
- Is it an orange?
- Are Felicia and Mary sisters?
- Am i her teacher?
- Is it a book?
- Are you a doctor?
Explicação:
Em frases interrogativas, o verbo auxiliar to be vem antes do sujeito