To say the phrase, "Teacher has arrived."

> A 先生が来られました

and

> B 先生がお越しになりました

It should have an order or a rule to compare A and B.
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2017-04-09T04:12:03.937
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question
word-choice politeness keigo
How do I know which sentence is more polite?
I think the politeness oder is shown below;

先生がお越しになられました＞先生がお越しになりました＞先生が来られました

But, sorry to say, I don't know how I think so.
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2017-04-09T04:25:19.760
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Generally speaking, dedicated sonkeigo verbs and お～になる sound politer than
～られる.

  * いらっしゃる・おいでになる・おこしになる ＞ こられる
  * 召し上がる・お食べになる ＞ 食べられる
  * ご覧になる ＞ 見られる
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2017-04-09T06:00:57.563
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Thanks ;)

In my textbook "Japanese Demystified" by Eriko Sato, it says "Another way of
creating an honorific verb form is to use the same verb form as the passive
form (られる etc.). However, the degree of politeness expressed by this form is
lower than that expressed by the honorific form with お...になる..."
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2017-04-09T08:22:20.277
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