Final answer:
The question requires analyzing sentences to identify infinitive phrases and categorize them as nouns, adjectives, or adverbs, recognizing their essential role in constructing clear and coherent sentences.
Step-by-step explanation:
The question is centered around identifying infinitives and infinitive phrases within a paragraph and determining their function in sentences as nouns, adjectives, or adverbs. We look at various sentences to discern the role that these infinitive phrases play, such as modifying a verb, noun, or offering additional information on an adjective.
An infinitive usually consists of the word 'to' followed by the base form of a verb, and it can form part of a larger infinitive phrase that acts within a sentence in a variety of ways. For instance, the sentence '2. If your shoes have a lot of surface area, hiking through a snow drift gets a lot easier,' includes the infinitive phrase 'to move,' which functions as an adverb modifying the verb 'gets'.
These grammatical structures are fundamental in crafting clearly understood and well-structured sentences. Recognizing them is vital for producing coherent writing and understanding complex texts. Determining their function can significantly enhance one's writing and analytical skills when it comes to English grammar and composition.