"What kind of" is a phrase used in English grammar to ask about the category, type, or nature of something. It's an interrogative phrase, meaning it's used to form questions.
Here's a breakdown of its grammatical function and how it's used:
1. Interrogative Adjective Phrase:
- "What": In this construction, "what" functions as an interrogative adjective. It modifies the noun "kind."
- "Kind": This is a noun meaning "type," "sort," or "category."
- "Of": This is a preposition that connects "what kind" to the noun or pronoun being asked about.
Together, "what kind of" acts as a single unit that asks for a specific classification.
2. Asking for a Category/Type:
The primary purpose of "what kind of" is to elicit information about the group or class to which something belongs.
- Example: "What kind of music do you like?" (Asking about the genre of music)
- Example: "What kind of animal is that?" (Asking about the species of animal)
- Example: "What kind of day are you having?" (Asking about the general nature or quality of the day)
3. Followed by a Noun (or Noun Phrase):
"What kind of" is almost always followed directly by a noun (or a noun phrase) that identifies the item whose category is being questioned.
- "What kind of car..."
- "What kind of software..."
- "What kind of person..."
4. Can be Singular or Plural:
The noun following "what kind of" can be singular or plural, depending on what you're asking about.
- Singular: "What kind of flower is this?" (Asking about a single flower's type)
- Plural: "What kind of flowers are these?" (Asking about the type of multiple flowers)
5. Informal Alternative: "What sort of"
"What sort of" is a very close synonym and can often be used interchangeably with "what kind of."
- "What kind of book is that?"
- "What sort of book is that?"
6. Nuance of Opinion/Judgment:
Sometimes, "what kind of" can carry a subtle nuance of opinion or judgment, especially when expressing surprise, disapproval, or a strong reaction.
- "What kind of behavior is that?" (Implies disapproval of the behavior)
- "What kind of idiot would do something like that?" (Strong negative judgment)
In summary, "what kind of" is an interrogative phrase used to inquire about the category, type, or nature of a noun. It functions as an adjective phrase that modifies the noun being questioned