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to say; to tell; to state; to express; to offer; to extend (greetings, congratulations, etc.)
to do
会議の冒頭でお礼を申しあげた。
I expressed my gratitude at the beginning of the meeting.
先ほどからお願いを申しあげている。
I have been making this request for a while now.
先生にお礼を申しあげました。
I expressed my gratitude to the teacher.