Update Amounts - frequency.md

🔰 Grammar/Amounts - frequency.md

@@ -52,6 +52,17 @@ Used with negative verbs.
 > {最近|さいきん}{絵|え}を==あまり=={書|か}けない。
 > I haven't been able to draw much lately.
 
+## Unlikely
+
+### そうもない・そうにない
+
+Means that an action is very unlikely.
+Made by removing ます from a verb and adding そうもない・そうにない.
+
+> [!info] Examples
+> コロナので{今年|ことし}も{旅行|りょこう}し==そうもない==。
+> Because of COVID19, it's unlikely I'll travel again this year.
+
 ## Sometimes
 
 ### たまに
@@ -105,3 +116,12 @@ Means "always", "continuously".
 > [!info] Examples
 > {蛇|へび}が==ずっと=={好|す}きだった。
 > I've always loved snakes.
+
+### たものだ
+
+Used to talk about a past situation where something used to frequently occur.
+Used with a verb in the past tense (た) by adding ものだ.
+
+> [!info] Examples
+> {子供|こども}のころはいつも{森|もり}で{遊|あそ}==んだものだ==。
+> I always played in the woods when I was a kid.