Cool MateAsk vs Inquire vs Probe vs Question vs Why run
When to use each in English, with meaning, register, and examples.
Ask
Top 1,000 (very common)A1verb
Inquire
FormalBeyond 10,000 (less common)B1verb
Probe
Top 2,000 (common)C1noun
Question
Top 1,000 (very common)A1noun
Why run
Beyond 10,000 (less common)
Most formal: Inquire
| Ask | Inquire | Probe | Question | Why run | |
|---|---|---|---|---|---|
| Pronunciation | 🇬🇧 /["/ɑːsk/","/ɑːsks/","/ɑːskt/","/ˈɑːskɪŋ/"]/🇺🇸 /["/æsk/","/æsks/","/æskt/","/ˈæskɪŋ/"]/ | 🇬🇧 /["/ɪnˈkwaɪə(r)/"]/🇺🇸 /["/ɪnˈkwaɪər/"]/ | 🇬🇧 //prəʊb//🇺🇸 //proʊb// | 🇬🇧 /["/ˈkwestʃən/"]/🇺🇸 /["/ˈkwestʃən/"]/ | 🇬🇧 //waɪ rʌn//🇺🇸 //waɪ rʌn// |
| Meaning | To say you want to know something or want something from someone. | to ask about something | A tool to investigate or explore something deeply. | A sentence or phrase that asks for information. | To ask why something is happening or being done. |
| Example | I want to ask you a question about your homework. | I called the school to inquire about the application process. | The scientists sent a probe to study the surface of Mars. | The teacher asked a difficult question during the exam. | She paused to think, 'Why run when we can walk?' |
| Register | Neutral | Formal | Neutral | Neutral | Neutral |
| How common | Top 1,000 (very common) | Beyond 10,000 (less common) | Top 2,000 (common) | Top 1,000 (very common) | Beyond 10,000 (less common) |
| CEFR level | A1 | B1 | C1 | A1 | - |
| Part of speech | verb | verb | noun | noun | |
| Collocations | gently, quietly, softly, want to, dare (to), forget to, about, get asked something, if you don’t mind me asking, if you don’t mind my asking, nicely, specifically, for, nicely, specifically, for, nicely, specifically, for | inquire about, inquire into, inquire if, inquire regarding, inquire as to | space probe, medical probe, investigative probe, deep probe | awkward, 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 | run for office, run a race, run errands, run a program, run a business |
| Antonyms | refuse, deny, ignore | ignore, disregard, ignore | ignore, avoid | answer, solution | - |
| Common mistakes | 'Ask for' vs 'ask to': Confusing when to use 'for' versus 'to'., Overusing: Using 'ask' too frequently in a conversation can sound repetitive., Omitting the object: Forgetting to specify what you're asking for or about. | Using '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'). | Confused with 'probe' as a verb instead of a noun., Used too generically; may not be appropriate in informal contexts. | Confusing 'question' with 'query' in formal contexts., Using 'questions' as a singular noun, e.g., 'I have a question' instead of 'I have questions.' | Using 'run' in the wrong context, like assuming it only means to move quickly., Not understanding it can be rhetorical, implying disbelief., Confusing 'run' with other verbs that mean to operate. |
| Usage notes | Use 'ask' when requesting information or help. It's suitable for most situations but can be too direct in formal contexts. Be mindful of politeness. | Use '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. | Used in scientific and technical contexts, as well as metaphorically in discussions about examining issues. Not commonly used in casual conversation. | 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. | Use 'Why run' when questioning the purpose or reason behind an action. It can be formal or informal depending on the context. |
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Frequently asked questions: Ask vs Inquire vs Probe vs Question vs Why run
What's the difference between Ask, Inquire, Probe, Question, and Why run?
Ask: To say you want to know something or want something from someone. Inquire: to ask about something Probe: A tool to investigate or explore something deeply. Question: A sentence or phrase that asks for information. Why run: To ask why something is happening or being done.
Which is more formal: Ask, Inquire, Probe, Question, and Why run?
Inquire is the most formal of these.
Which is more advanced: Ask, Inquire, Probe, Question, and Why run?
Probe is the highest level, at C1, on the CEFR scale.
Can you show an example of each?
Ask: I want to ask you a question about your homework. Inquire: I called the school to inquire about the application process. Probe: The scientists sent a probe to study the surface of Mars. Question: The teacher asked a difficult question during the exam. Why run: She paused to think, 'Why run when we can walk?'
Can I use Ask, Inquire, Probe, Question, and Why run interchangeably?
Not always. Ask, Inquire, Probe, Question, and Why run 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.