Question

Which alternative is correct? Explain the errors, please!

By the time the boss comes back from vacation, the problem will have been sorted out.
By the time the boss comes back from vacation, the problem will be sorting out.
By the time the boss comes back from vacation, the problem will be being sorted out.
By the time the boss comes back from vacation, the problem will be sort out.

Answer 1

Qual alternativa está correta? Explique os erros, por favor!

Quando o chefe volta de férias, o problema será resolvido.
No momento em que o chefe volta de férias, o problema será resolver.
Quando o chefe voltar de férias, o problema será resolvido.
Quando o chefe volta das férias, o problema será solucionado.