Interrogative Adjective Lesson - Meaning, Definition, and Examples

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Lesson Overview



Language helps us understand the world. When we have questions about things or people, certain words guide our focus. In grammar, these words are called interrogative adjectives.

They help us make choices, show who owns something, and describe things. Using them correctly makes communication clear and precise, ensuring others understand the message. They improve how we ask and receive information.

Definition of an Interrogative Adjective

Interrogative adjectives are words that describe nouns or pronouns and help ask questions. They show which person or thing is being talked about. These words make it clear what information is needed. Interrogative adjectives help focus on certain details instead of general ideas.

For example:

  • Which path leads to the summit?
  • What time does the train arrive? 
  • Whose responsibility is it to clean up?

List of Interrogative Adjectives

Interrogative adjectives come in a few forms, each designed to elicit specific types of information.

Interrogative AdjectiveExample Sentence
WhichWhich book did you choose?
WhichWhich road leads to the beach?
WhatWhat kind of music do you prefer?
WhatWhat is your favorite color?
WhoseWhose car is parked in the driveway?
WhoseWhose turn is it to wash the dishes?


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Where Do You Include an Interrogative Adjective in a Sentence?

Interrogative adjectives have a specific placement within a sentence, directly influencing the structure of the question. Their position is key to grammatical correctness and clear communication.

1. Initiating Interrogative Clauses:

Interrogative adjectives precede the noun they modify, immediately drawing attention to the information being sought. This placement is essential for establishing the interrogative nature of the sentence. 

Example: Which flight is delayed? "Which" marks the beginning of the question and modifies "flight"


2. Directly Modifying Nouns/Pronouns:

The interrogative adjective acts as a direct modifier, appearing immediately before the noun or pronoun it describes. This clarifies the target of the inquiry, specifying which noun is being questioned. This close proximity between the adjective and the noun is crucial for avoiding ambiguity.

Example: What type of music do you enjoy? 

"What" directly precedes and modifies "type"


3. Essential in Wh- Questions:

Interrogative adjectives form the core of Wh- questions, which seek specific details beyond a simple yes/no response. They introduce the question and guide the listener or reader towards the expected type of answer.

Example: Whose responsibility is it to lock up? 

"Whose" introduces the Wh- question and modifies "responsibility"


4. Maintaining Position in Direct and Indirect Questions:

Whether the question is posed directly (with a question mark) or indirectly (embedded within a statement), the interrogative adjective consistently precedes the noun it modifies. This structural consistency ensures clarity across different sentence types.

Direct: Which road leads to the city center?

Indirect: He asked me which road leads to the city center.


5. Flexibility within Sentence Structure:

While interrogative adjectives often appear at the beginning of a question, their position can be adjusted to accommodate different sentence structures. Prepositions, adverbs, or other phrases may precede them without altering their core function or relationship with the noun.

Example: At what time should we meet? 

"At" precedes "what" for a more specific question


6. Impact on Sentence Rhythm and Emphasis:

The placement of an interrogative adjective can influence the rhythm and emphasis within a sentence. Placing it earlier can create a sense of directness, while positioning it later can build anticipation or highlight specific elements of the question.

Example: What, in your opinion, is the best course of action? Emphasis on "in your opinion"


7. Adapting to Complex Sentences:

In complex sentences with multiple clauses, interrogative adjectives maintain their position within the specific clause containing the question. This ensures clarity even within detailed sentence structures.

Example: She wondered which book she should choose from the vast library collection.



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Difference Between Interrogative Adjectives and Interrogative Pronouns

Interrogative adjectives and interrogative pronouns both play a role in asking questions but they function differently within a sentence.  

FeatureInterrogative AdjectivesInterrogative Pronouns
FunctionModifies a nounReplaces a noun
PositionAlways comes before a nounStands alone
DependencyDepends on a noun for meaningHas independent meaning
Question TypeOften introduces questions about specific qualities or characteristicsOften introduces questions about identity or choice
ExamplesWhat kind of animal is that?What is that animal?


Interrogative Adjectives and Determiners

Interrogative adjectives and determiners share a close relationship, as both categories play a role in specifying nouns within a sentence. However, they have distinct functions and characteristics that set them apart.

FeatureInterrogative AdjectivesOther Determiners
FunctionModify nouns specifically to ask questions.Introduce and specify nouns; can have various functions beyond questioning.
PurposeTo elicit information about a specific noun (identity, quality, etc.).To clarify the noun's quantity, definiteness, possession, demonstrative status, etc.
Question WordsWhich, what, whoseDeterminers are not question words themselves.
Relationship to NounDirectly precede and modify the noun they are questioning.Precede the noun they determine, but their relationship to the noun can vary (article, possessive, demonstrative, etc.).
Interrogative NatureInherently interrogative; used to form questions.Not inherently interrogative; used to provide information or context about the noun.
SubsetCan be considered a subset of determiners (interrogative determiners).Encompass a broader range of words with diverse functions.
ExamplesWhich book is yours? The book is mine. 


Examples of Interrogative Adjectives

  1. What ingredients are needed for this recipe?
  2. Which countries border the Mediterranean Sea?
  3. Whose responsibility is it to feed the dog?
  4. What type of government does Mexico have?
  5. Which planets are visible in the night sky tonight?


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