Questões de Concursos Orações Condicionais Conditional Clauses

Which of the following sentences correctly uses inversion in a conditional sentence, often found in formal English?

Identify the sentence that correctly uses a third conditional structure, which is used to talk about impossible past situations and their hypothetical results.

An English teacher handed this text to his/her students with the following sentence highlighted. Analyze his criteria to do so:

If I would have told my 18 year-old self that someday I'd work with (and become great friends with) Matthew Lillard, enjoy meals and social deduction games with Kevin Williamson, and have a relaxed, casual dinner with Neve Campbell… I frankly would never have believed it.

I. Use of spoken and informal language.
II. Non-standard use of past unreal conditional structure.
III. Commas to enhance formality.
IV.Conversational tone as a way to create a sense of familiarity.

The correct items are:

It is correct to affirm that this sentence “If I won the lottery, I would travel abroad twice a year” describes a situation in the:

Choose the sentence that correctly uses the third conditional.