How to prove that it is and that it is used? What's next?

The result is followed by a noun phrase or clause.

For example, it turned out to be a big problem/it turned out to be something you never knew.

It turns out that there is a clause behind it.

For example, it turns out that I found a job.

Turn out is a phrasal verb, which can be used as a predicate, followed by nouns, adjectives and so on. You can also add to-do items.

Word usage

The basic meaning of turn as a noun is "turn, turn", which refers to the action of someone or something turning or the action of something turning itself. This is a countable noun.

Turn can also mean "change of direction, turning point, turning point" and "turning point", which can be extended to "turning point in time, alternating period" and is a countable noun.

Turn can also be interpreted as "wheel of opportunity, in turn", usually in the singular form.