Looking on the internet deeply has found these results:

has been mentioned is the most popular phrase on the web.

has mentioned 1712,000 results on the web	has been mentioned 111,200,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
The Commissioner has mentioned several problems relating to the elections. Mrs Palacio Vallelersundi has mentioned three topics. In this context the Member has mentioned the case of Alexander Nikitin. Nobody has mentioned my birthday all week. One of my Irish colleagues has mentioned the importance of this trade for Irish farmers. Your father has mentioned the possibility of a French bride. The immediate announcement of financial support and all the other things the Commission has mentioned today are encouraging. Mrs van Dijk has mentioned the staging points.	The word 'perfect' has been mentioned. and Montag's name has been mentioned. The Arab League Summit in Damascus failed, as has been mentioned. We also lack the evidence on migration limits, and that has been mentioned. An important factor that has been mentioned is the growth in risk capital during 1999.This is clearly essential. European added value has been mentioned with regard to Erasmus Mundus. The truly dramatic situation of Argentina has been mentioned. Kosovo has been mentioned several times today.

has mentioned

1712,000 results on the web

has been mentioned

111,200,000 results on the web

More popular!

The Commissioner has mentioned several problems relating to the elections.
Mrs Palacio Vallelersundi has mentioned three topics.
In this context the Member has mentioned the case of Alexander Nikitin.
Nobody has mentioned my birthday all week.
One of my Irish colleagues has mentioned the importance of this trade for Irish farmers.
Your father has mentioned the possibility of a French bride.
The immediate announcement of financial support and all the other things the Commission has mentioned today are encouraging.
Mrs van Dijk has mentioned the staging points.

The word 'perfect' has been mentioned.
and Montag's name has been mentioned.
The Arab League Summit in Damascus failed, as has been mentioned.
We also lack the evidence on migration limits, and that has been mentioned.
An important factor that has been mentioned is the growth in risk capital during 1999.This is clearly essential.
European added value has been mentioned with regard to Erasmus Mundus.
The truly dramatic situation of Argentina has been mentioned.
Kosovo has been mentioned several times today.