Is/Am/Are this your book?
Is this your book?
Is/Am/Are I invited to the party?
Am I invited to the party?
Is/Am/Are we on time?
Are we on time?
Is/Am/Are he ready to go?
Is he ready to go?
Is/Am/Are Peter your cousin?
Is Peter your cousin?
Is/Am/Are your parents home?
Are your parents home?
Is/Am/Are Mark your friend?
Is Mark your friend?
Is/Am/Are the dog brown?
Is the dog brown?
Is/Am/Are your teacher British?
Is your teacher British?
Is/Am/Are the flowers beautiful?
Are the flowers beautiful?