what part of speech is has passed

It's a verb.

It is the Present Perfect tense, formed by using a form of the verb "to have" in the present tense, as the auxiliary or helping verb, plus a past participle, often ending in "ed."

Sra

The phrase "has passed" is a verb phrase. Specifically, "has" is a helping verb, also known as an auxiliary verb, and "passed" is the main verb.

To determine the part of speech of a word or phrase, you can follow these steps:

1. Identify the word or phrase in question. In this case, it is "has passed."

2. Understand the function of each word within the phrase:
- "Has" is a helping verb that indicates the present perfect tense, showing that the action happened in the past and has a connection to the present.
- "Passed" is the main verb, indicating an action that was completed in the past.

3. Consider the overall function of the phrase in the sentence. Here, "has passed" indicates an action that was completed in the past and has relevance to the present moment.

Based on these considerations, "has passed" is a verb phrase.