This document discusses the differences between adverbs and adjectives, as well as the uses of "used to" versus "would". It explains that adverbs modify verbs, adjectives, and other adverbs, while adjectives describe or modify nouns. Common adverbs of manner are formed by adding "-ly" to adjectives. The document also clarifies that "used to" refers to past habits that are no longer occurring, while "would" refers to past habits that are now less frequent.