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From an [IMABI tutorial on the particle
と](https://www.imabi.net/tableofcontents.htm):

> [![enter image description
> here](https://i.stack.imgur.com/cFgan.png)](https://i.stack.imgur.com/cFgan.png)

> [![enter image description
> here](https://i.stack.imgur.com/1e4fv.png)](https://i.stack.imgur.com/1e4fv.png)

As you can see, "元気となる" is marked with an "△/X", which I'm assuming means it's
not proper Japanese? What about this sentence is bad though, according to the
description above?

It seems to me that sudden, discrete changes towards 元気 are conceptually
possible. For example, suppose someone suddenly wins the lottery, and their
life _immediately_ improves, almost in an instance. Why wouldn't "元気となる" make
sense here?
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2022-12-24T19:28:23.693
97780
2022-12-24T23:24:37.177
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question
particle-と
Why is 「元気となる」considered awkward?
As a rule of thumb, na-adjective+となる should be rare.

  * ×静かとなる
  * △/×冷静となる

[This](https://nihongonosensei.net/?p=18427) explains the difference as
'「～となる」は物事の自然な変化を表すことができません。な形容詞や時間には接続しにくいです', with the following examples.

  * ×２時となった。
  * ×辺りは静かとなった。
  * ×病気となった。

One element would be if somebody can **decide** the state is true. To me,
必要になる is normal but 必要となる works as well (a bit stiff). This is possibly
because whether or not a thing is necessary is a discrete state decidable by
someone.
CC BY-SA 4.0
2022-12-24T23:24:37.177
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2022-12-24T23:24:37.177
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answer