Update Certainty.md

🔰 Grammar/Certainty.md

@@ -1,6 +1,8 @@
 # Certainty
 
-## Certain: に違いない
+## Certain
+
+### に違いない
 
 に{違|ちが}いない means "I'm certain that".
 
@@ -39,7 +41,7 @@
 	<p class="right">+ わけがない</p>
 </div>
 
-Means that there is no way, "impossible". 🛠 nuance?
+Means that there is no way, "impossible".
 
 > [!info] Example
 > {全部|ぜんぶ}食べられる==わけがない==よ！
@@ -47,9 +49,11 @@ Means that there is no way, "impossible". 🛠 nuance?
 
 ### ようがない・ようもない
 
-~{様|よう}がない means that there is no way, "impossible". 🛠 nuance?
+🛠 Todo: understand the nuance between わけがない and ようがない.
+🛠 Todo: understand the nuance between ようがない and ようもない.
+
+~{様|よう}がない means that there is no way, "impossible".
 Works by removing ~ます from a verb and adding ようがない・ようもない.
-🛠 difference between ようがない and ようもない?
 
 > [!info] Example
 > もうこんな時間。帰り==ようがない==。
@@ -62,14 +66,3 @@ Usually at the start of a sentence, expresses surprise, about something that see
 > [!info] Example
 > ==まさか=={僕|ぼく}たちのチームが{負|ま}けた。
 > I cannot believe our team lost.
-
-
-
-
-# TODO
-
-## こそ
-
-for sure (emphasize preceding word); precisely; definitely ~
-
-https://jlptsensei.com/learn-japanese-grammar/%e3%81%93%e3%81%9d-koso-meaning/

🔰 Grammar/Observation - hearsay.md

@@ -77,10 +77,11 @@ Can be used as ==ということだ== or ==とのことだ==. A more casual vers
 * ==そうだ== is used for hearsay and is casual.
 * ==ということだ== is used for hearsay, when the validity of the information is certain. More formal than そうだ.
 
-# TODO
+## によると・によれば
  
-## によると /によれば
+Means "according to".
+Used with nouns. With verbs, ところ is added before.
 
-according to ~
-
-https://jlptsensei.com/learn-japanese-grammar/%e3%81%ab%e3%82%88%e3%82%8b%e3%81%a8-%e3%81%ab%e3%82%88%e3%82%8c%e3%81%b0-ni-yoru-to-ni-yoreba-meaning/
+> [!info] Examples
+> {天気予報|てんきよほう}==によると=={今日|きょう}は{雪|ゆき}が{降|ふ}るようだ。
+> According to the weather forecast, it's supposed to snow today.