Language 

Has anyone ever looked at the intricacies of creating a new language?  congregating verbs, pluralizing nouns, how did Tolkien do it?  My new trilogy has the language of the angels which is mixed with Hebrew but to create an entire system of language is impressive.  Still trying to locate my copy of The Lord of the Rings trilogy so I can look at the language appendices.  I want to create a rich fantasy with real depth, full of politics, science and religion, I don’t think that’s too much to ask hey? love to hear from anyone with the same desires.