Rename folders + misc fixes

🔰 Grammar/Reason.md

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+# Reason
+
+## ので
+
+<div class="usage">
+<div class="left">
+	<p><span class="box">V</span></p>
+	<p><span class="box">い-Adj</span></p>
+	<p><span class="box">な-Adj + な</span></p>
+	<p><span class="box">N + だ</span></p>
+</div>
+	<p class="right">+ ので</p>
+</div>
+
+Used after a reason, to explain the consequence. Means "because of", "since".
+It is more objective than から: it expresses a situation that exists, and that is outside of one's control. For this reason, it can also be perceived as more polite.
+
+> [!info] Example
+> 雨な==ので==傘を持ってきてください。
+> Since it is raining, please bring an umbrella.
+
+## から
+
+See [[🔰 Particles (2)#Because]].
+It is more subjective than ので: it expresses more personal needs/actions/opinions.
+
+## んです・のです
+
+<div class="usage">
+<div class="left">
+	<p><span class="box">V</span></p>
+	<p><span class="box">い-Adj</span></p>
+	<p><span class="box">な-Adj + な</span></p>
+	<p><span class="box">N + だ</span></p>
+</div>
+	<p class="right">+ んだ・んです・のだ・のです</p>
+</div>
+
+It is used to explain or put emphasis on something.
+のだ・のです is a bit more formal than んだ・んです.
+It is only used with nouns when asking questions.
+
+> [!info] Example
+> {良|よ}い{仕事|しごと}な==のです==か。
+> Is it a good job?
+> 
+> もう言った==んだ==よ！
+> I've already told you!
+
+## のは・のが
+
+See [[Transformation#のは・のが sentence as noun]].
+
+## のに
+
+See [[Connectors#のに]].