Question

analisando a frase: "our chidren are facing problemas Of human heart." na forma interrogativa, será?
a) are they facing problems of human heart?
b) they are facing problems of human heart?
c) are our children facing problems of human heart?
d) problems they are facing of human heart?

Answer 1

alternativa c, vc sempre muda o "are" ou o "is" de lugar, ele fica na frente qnd passa pra interrogativa.

Answer 2

c) are our children facing problems of human heart?

The subject of this sentence is our children and the auxiliary verb is are. When you're going to change it into the interrogative form, you need to place the auxiliary verb before the subject. The only alternative that follows this is C.