Understanding the Question: Identifying Word Class

The question asks us to identify the word class (also known as part of speech) of the underlined words "Owing to" in the sentence: "Owing to his ill health, he retired from business." We need to carefully examine how "Owing to" functions within this sentence to determine its word class.

Analyzing the Sentence Structure

Let's look at the sentence: "Owing to his ill health, he retired from business."

• The main clause is "he retired from business."
• "Owing to his ill health" is a phrase that provides the reason or cause for him retiring.
• This phrase acts like an adverbial phrase because it modifies the verb "retired" by telling us *why* he retired.

Phrases that modify verbs or adjectives or adverbs are often introduced by prepositions or conjunctions.

Exploring the Function of 'Owing To'

The phrase "Owing to" means "because of" or "as a result of". It connects the reason ("his ill health") to the action ("he retired"). In English grammar, words or groups of words that show the relationship between a noun or pronoun and other words in a sentence, or introduce a phrase acting adverbially or adjectivally, are typically prepositions or prepositional phrases.

"Owing to" acts as a single unit, a compound preposition (or a prepositional phrase functioning as a preposition). It takes the noun phrase "his ill health" as its object and the entire phrase "Owing to his ill health" functions like a prepositional phrase indicating cause.

Reviewing the Given Word Classes

Let's consider the definitions of the word classes provided in the options:

• Conjunction: A word used to connect clauses, sentences, or words (e.g., and, but, or, because, although). Conjunctions join elements; they don't typically introduce phrases that take objects like nouns.
• Preposition: A word or group of words (like in, from, to, on, for, at, by, with, owing to, because of) used before a noun, pronoun, or gerund to show place, time, direction, or relationship. A preposition usually forms a phrase with its object (a noun or pronoun) which functions adverbially or adjectivally in the sentence.
• Participle: A word formed from a verb (ending in -ing or -ed/-en) and used as an adjective or a noun, or part of a compound verb. While "owing" looks like a present participle, in the phrase "owing to," it functions as part of a fixed idiomatic phrase that acts as a preposition.
• Determiner: A word (like a, an, the, this, that, my, your, some, many) that comes before a noun to show which or how many people or things are being talked about. Determiners modify nouns.

Identifying the Correct Word Class for 'Owing To'

Based on our analysis:

• "Owing to" introduces the phrase "owing to his ill health".
• This phrase explains the reason for the retirement, acting like an adverbial phrase.
• "Owing to" connects the reason (the noun phrase "his ill health") to the rest of the sentence.
• This function is characteristic of a preposition or a prepositional phrase acting as a preposition (a compound preposition).

Therefore, "Owing to" belongs to the word class of Preposition.

Conclusion

In the sentence "Owing to his ill health, he retired from business," the underlined words "Owing to" function as a preposition (specifically, a compound preposition meaning "because of"). They introduce a phrase that indicates the reason for the action described in the main clause.

Revision Table: Understanding Word Classes

Additional Information on Prepositions

Prepositions are essential for showing relationships like location, time, direction, cause, and manner. Prepositional phrases consist of a preposition followed by its object (a noun, pronoun, or gerund phrase) and any modifiers of the object. These phrases typically function as adjectives (modifying nouns) or adverbs (modifying verbs, adjectives, or other adverbs).

Compound prepositions are prepositions made up of more than one word, but they function as a single unit. Examples include "according to," "because of," "in addition to," "in front of," and "owing to."