Resposta:
A) NEG- Carlos is not(isn't) a soccer player.
INT- Is Carlos a soccer player?
B) NEG- My mom is not(isn't) at home.
INT- Is my mom at home?
C) NEG- The astronauts are not(aren't) in Mars.
INT- Are the austronauts in Mars?
D) NEG- I'm( i am) not from Australia.
INT- Am i from Australia?
Explicação:
NEG- apenas acrescente o "not" depois do verbo auxiliar "is, are, am"
INT- O verbo auxiliar vem antes da pessoa "Carlos, my mom, the astronauts, i"
ISN'T- Abreviação de "is not"
AREN'T- Abreviação de "Are not"
I'M- Abreviação de "I AM"