Question

1- Write the sentences in the interrogative form:



a) Mary was my first girlfriend.



b) John will work in an automobile company next year.



c) They are in the library.





d) You are going to sing a song.





e) There are five flowers in the garden.​

Answer 1

a) Was Mary my first girlfriend?
b)Will John work in an automobile company next year?
c)Are They in the library?
d)Are you going to sing a song?
e)Are there five flowers in the garden?

Explicação:
Para passar frases afirmativas para interrogativas é só passar o verbo pro começo da frase

Answer 2

Resposta:

a) Was Mary my first girlfriend?

b) Will John work in an automobile company next year?

c) Are they in the library?

d) Are you going to sing a song?

e) Are there five flowers in the garden?

Explicação:

Na forma interrogativa você só precisa reorganizar a frase, prestando atenção nos tempos (presente/passado/futuro/e outros). Nesses casos a ordem é: verbo + sujeito + o resto da frase.