I have to tell vs Inform vs Report

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

I have to tell

Top 2,000 (common)

Inform

Top 2,000 (common)B2verb

Report

Top 1,000 (very common)A1noun
Most common: Report
 I have to tellInformReport
Pronunciation🇬🇧 //aɪ hæv tə tɛl//🇺🇸 //aɪ hæv tə tɛl//🇬🇧 /["/ɪnˈfɔːm/","/ɪnˈfɔːmz/","/ɪnˈfɔːmd/","/ɪnˈfɔːmɪŋ/"]/🇺🇸 /["/ɪnˈfɔːrm/","/ɪnˈfɔːrmz/","/ɪnˈfɔːrmd/","/ɪnˈfɔːrmɪŋ/"]/🇬🇧 /["/rɪˈpɔːt/"]/🇺🇸 /["/rɪˈpɔːrt/"]/
MeaningI need to say somethingTo tell someone something important or give them information.A written or spoken account of something.
ExampleI have to tell you a secret about my birthday party.Please inform me of any updates regarding the project timeline.The teacher asked us to write a report on our summer vacation.
RegisterNeutralNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)Top 1,000 (very common)
CEFR level-B2A1
Part of speechverbnoun
Collocationstell a story, tell the truth, tell the difference, tell someone offmerely, simply, regularly, be pleased to, regret to, be required to, about, ofgroundbreaking, important, influential, deliver, give somebody, make, be based on something, address something, concern something, author, writer, writing, according to a/​the report, amid reports, in a/​the report, groundbreaking, important, influential, deliver, give somebody, make, be based on something, address something, concern something, author, writer, writing, according to a/​the report, amid reports, in a/​the report, groundbreaking, important, influential, deliver, give somebody, make, be based on something, address something, concern something, author, writer, writing, according to a/​the report, amid reports, in a/​the report, groundbreaking, important, influential, deliver, give somebody, make, be based on something, address something, concern something, author, writer, writing, according to a/​the report, amid reports, in a/​the report, good, bad, school, get
Antonyms-conceal, withhold, hideignore, neglect
Common mistakesUse 'speak' instead of 'tell' incorrectly., 'Tell to' is incorrect; use 'tell me' or 'tell him'.Confused with 'informant' — 'inform' is a verb, not a noun., Using 'inform' without an object — always say who you are informing., Misusing tenses — ensure correct form like 'informed' for the past.Confused with 'reporter' which refers to a person., Misuse of 'reports' as a verb instead of a noun., Using 'report' for informal updates, which is not appropriate.
Usage notesUse 'tell' when sharing information or a story. This phrase is common in both spoken and written English. Avoid in highly formal contexts.Use 'inform' in formal contexts, like writing or business. Avoid in casual conversations where 'tell' is more appropriate.Use 'report' in formal contexts like school or work. Avoid in casual conversations unless discussing news or events.

See it in real clips

I have to tell
Inform

Frequently asked questions: I have to tell vs Inform vs Report

What's the difference between I have to tell, Inform, and Report?

I have to tell: I need to say something Inform: To tell someone something important or give them information. Report: A written or spoken account of something.

Which is more common: I have to tell, Inform, and Report?

Report is the most common in everyday English.

Which is more advanced: I have to tell, Inform, and Report?

Inform is the highest level, at B2, on the CEFR scale.

Can you show an example of each?

I have to tell: I have to tell you a secret about my birthday party. Inform: Please inform me of any updates regarding the project timeline. Report: The teacher asked us to write a report on our summer vacation.

Can I use I have to tell, Inform, and Report interchangeably?

Not always. I have to tell, Inform, and Report 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.

Related comparisons