申し上げる
(Moushiageru)
The extra-modest humble form of 'to say', used for expressing feelings or information to a superior.
Connection rules
- +Used for actions directed toward a superior
- +Noun + 申し上げる or Verb (Stem) + 申し上げる
Examples
1.
心よりお詫び申し上げます。

Kokoro yori owabi moushiage masu.
I offer my deepest apologies.
「Formal public apology」
2.
お礼申し上げます。

Orei moushiage masu.
I wish to express my gratitude.
「Writing a thank-you note」
Practice
I would like to express my gratitude to everyone.
皆様に厚くお礼___。
Romaji also accepted