[NTG-context] mixing Greek and English texts

Hi there, I would like to typeset a classical Greek text that contains a Greek-English dictionary and other explanations in English with Greek passages. In order to get proper hyphenation, I should define English as main language and tag all Greek in the text. This is a lot of work. The whole thing would be to apply command \agr when range={greekandcoptic,greekextended}. How could I do that? Thanks for your help, Pablo -- http://www.oudeis.tk