Enquiry

Dear Sirs, Mesdames,

I am working on a phraseological project for ESL students for which I
would like to request the assistance of native speakers of English who
might volunteer to act in the capacity of informants answering
simplistic YES/NO questions relating to certain phrases and
collocations.

May I ask for your help in connecting me with people who would be
willing and qualified to act in this capacity.

Thank you,
Yuri

I'm sure that most of the regular contributors will be happy to help.
You might like to have an "email to" link.