In some cases adverbs with -ly are used side by side with those without -ly, but with a different meaning. Such are most, mostly; near, nearly; even, evenly; hard, hardly; etc.
Special use of there.
292. Frequently the word there, instead of being used adverbially, merely introduces a sentence, and inverts the usual order of subject and predicate.
This is such a fixed idiom that the sentence, if it has the verb be, seems awkward or affected without this "there introductory." Compare these:—
1. There are eyes, to be sure, that give no more admission into the man than blueberries.—Emerson.
2. Time was when field and watery cove With modulated echoes rang.—Wordsworth.
HOW TO PARSE ADVERBS.
293. In parsing adverbs, give—
(1) The class, according to meaning and also use.
(2) Degree of comparison, if the word is compared.