Inquire vs Investigate vs It's my job to ask questions vs Question

When to use each in English, with meaning, register, and examples.

Inquire

FormalBeyond 10,000 (less common)B1verb

Investigate

Top 2,000 (common)B1verb

It's my job to ask questions

Top 2,000 (common)

Question

Top 1,000 (very common)A1noun
Most formal: InquireMost common: Question
 InquireInvestigateIt's my job to ask questionsQuestion
Pronunciation🇬🇧 /["/ɪnˈkwaɪə(r)/"]/🇺🇸 /["/ɪnˈkwaɪər/"]/🇬🇧 /["/ɪnˈvestɪɡeɪt/","/ɪnˈvestɪɡeɪts/","/ɪnˈvestɪɡeɪtɪd/","/ɪnˈvestɪɡeɪtɪŋ/"]/🇺🇸 /["/ɪnˈvestɪɡeɪt/","/ɪnˈvestɪɡeɪts/","/ɪnˈvestɪɡeɪtɪd/","/ɪnˈvestɪɡeɪtɪŋ/"]/🇬🇧 //ɪts maɪ dʒɒb tə ɑːsk ˈkwɛsʧənz//🇺🇸 //ɪts maɪ dʒɑːb tə æsk ˈkwɛstʃənz//🇬🇧 /["/ˈkwestʃən/"]/🇺🇸 /["/ˈkwestʃən/"]/
Meaningto ask about somethingTo look into something closely to find out more information.I have the responsibility to ask questions.A sentence or phrase that asks for information.
ExampleI called the school to inquire about the application process.The police will investigate the crime scene for new evidence.In this role, it's my job to ask questions.The teacher asked a difficult question during the exam.
RegisterFormalNeutralNeutralNeutral
How commonBeyond 10,000 (less common)Top 2,000 (common)Top 2,000 (common)Top 1,000 (very common)
CEFR levelB1B1-A1
Part of speechverbverbnoun
Collocationsinquire about, inquire into, inquire if, inquire regarding, inquire as tocarefully, closely, in detail, ask somebody to, be called in to, decide to, for, carefully, closely, in detail, ask somebody to, be called in to, decide to, forask the right questions, job responsibilities, role in the teamawkward, difficult, embarrassing, ask (somebody), have, address, question about, question as to, question concerning to, awkward, difficult, embarrassing, ask (somebody), have, address, question about, question as to, question concerning to, burning, challenging, controversial, bring up, pose, raise, arise, go unanswered, remain unanswered, question about, question for, question of, come into, call into, be open to, beyond question, in question, without question
Antonymsignore, disregard, ignoreignore, overlook, disregardignore inquiries, remain silentanswer, solution
Common mistakesUsing 'inquire' instead of 'require'., Confusing 'inquire' with 'enquire' (especially in British English)., Using 'inquire' without a specific subject (e.g., 'I want to inquire the details' instead of 'I want to inquire about the details').Confusing with 'invest' which relates to money or resources., Using as an intransitive verb; it requires an object (e.g., 'investigate the issue')., Mixing up with synonyms like 'examine' without understanding the context.Misusing 'it's' versus 'its' - 'it's' means 'it is'., 'To ask questions' might be confused with 'asking questions' in different contexts., Omitting 'my' can make the sentence unclear.Confusing 'question' with 'query' in formal contexts., Using 'questions' as a singular noun, e.g., 'I have a question' instead of 'I have questions.'
Usage notesUse 'inquire' in formal contexts, such as business or official situations. It's less common in everyday conversation, where 'ask' is preferred. Avoid using it in informal settings.Commonly used in formal contexts, especially in journalism, research, or law enforcement. It may not be seen as appropriate in casual conversations.Use this phrase in professional settings when explaining responsibilities. It's less appropriate in casual conversations.Use 'question' in both formal and informal settings. It's appropriate in classrooms, interviews, and casual conversations. Avoid using in situations where a statement is expected.

See it in real clips

Investigate
It's my job to ask questions
Question

Frequently asked questions: Inquire vs Investigate vs It's my job to ask questions vs Question

What's the difference between Inquire, Investigate, It's my job to ask questions, and Question?

Inquire: to ask about something Investigate: To look into something closely to find out more information. It's my job to ask questions: I have the responsibility to ask questions. Question: A sentence or phrase that asks for information.

Which is more formal: Inquire, Investigate, It's my job to ask questions, and Question?

Inquire is the most formal of these.

Which is more common: Inquire, Investigate, It's my job to ask questions, and Question?

Question is the most common in everyday English.

Can you show an example of each?

Inquire: I called the school to inquire about the application process. Investigate: The police will investigate the crime scene for new evidence. It's my job to ask questions: In this role, it's my job to ask questions. Question: The teacher asked a difficult question during the exam.

Can I use Inquire, Investigate, It's my job to ask questions, and Question interchangeably?

Not always. Inquire, Investigate, It's my job to ask questions, and Question are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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