What is the grammatical name and function of had a stray dog not given him away

The phrase "had a stray dog not given him away" is a conditional clause that functions as an adverbial clause of condition. Specifically, it expresses a hypothetical condition that, if not fulfilled, would have resulted in a different outcome.

To understand the grammatical name and function of this phrase, we can break it down:

1. "Had": This is the past perfect form of the verb "have." In this context, it is used to indicate a past hypothetical condition.

2. "a stray dog": This is a noun phrase that acts as the subject of the conditional clause. It refers to an unidentified dog that is lost or without an owner.

3. "not given him away": This is a verb phrase consisting of the negation "not" and the past participle "given." The verb "give" is used here to imply that someone could have revealed or disclosed information about the person in question.

Overall, the conditional clause "had a stray dog not given him away" describes a hypothetical situation where a person had a stray dog and, if that dog had not revealed their identity or information, the outcome would have been different.

To identify the grammatical name and function of sentence components, it is important to analyze the sentence structure and the role each word or phrase plays within that structure.