Have to have vs Require

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

Have to have

Top 2,000 (common)

Require

Top 1,000 (very common)B1verb
Most common: Require
 Have to haveRequire
Pronunciation🇬🇧 //hæv tə hæv//🇺🇸 //hæv tə hæv//🇬🇧 /["/rɪˈkwaɪə(r)/","/rɪˈkwaɪəz/","/rɪˈkwaɪəd/","/rɪˈkwaɪərɪŋ/"]/🇺🇸 /["/rɪˈkwaɪər/","/rɪˈkwaɪərz/","/rɪˈkwaɪərd/","/rɪˈkwaɪərɪŋ/"]/
MeaningNeed to own or possess something.to need something or someone for a purpose
ExampleYou have to have the right tools to finish the job.The project will require a significant amount of time to complete.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR level-B1
Part of speechverb
Collocationshave to have a job, have to have qualifications, have to have permissionsurgently, reasonably, generally, urgently, reasonably, generally
Antonyms-deny, refuse, forbid
Common mistakesConfused with 'have' vs 'have to have'., Omitting 'to' in the phrase., Using 'have to have' with a wrong tense.'Require' is sometimes confused with 'request'; they have different meanings., Learners might use 'require' without an object, which is incorrect., 'Require' is often mixed up with 'want', but 'require' implies necessity.
Usage notesUsed to express necessity or obligation to possess something. Common in spoken and informal contexts.Use 'require' when talking about needs in formal settings, such as requirements for a job or project. Avoid in casual conversation unless discussing responsibilities.

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Have to have

Frequently asked questions: Have to have vs Require

What's the difference between Have to have and Require?

Have to have: Need to own or possess something. Require: to need something or someone for a purpose

Which is more common: Have to have and Require?

Require is the most common in everyday English.

Can you show an example of each?

Have to have: You have to have the right tools to finish the job. Require: The project will require a significant amount of time to complete.

Can I use Have to have and Require interchangeably?

Not always. Have to have and Require 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.