1. Sentence: "Adverbs modify verbs, adjectives, or other adverbs, often answering questions like 'how,' 'when,' 'where,' or 'to what extent.'"
* **Noun:** Adverbs, verbs, adjectives
* **Verb:** modify, answering
* **Preposition:** like, to
* **Conjunction:** or
* **Adverb:** often
2. Sentence: "Pronouns replace nouns or noun phrases and help avoid repetition in writing."
* **Noun:** Pronouns, nouns, phrases, repetition, writing
* **Verb:** replace, avoid, help
* **Conjunction:** and