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UK//haʊ lɒŋ hiːz nəʊn//US//haʊ lɔŋ hiz noʊn//

Meaning of How long he's known

The duration of someone’s acquaintance with another person.

In simple words: The amount of time someone has been acquainted with another person.

How long he's known in a sentence

  • Do you remember how long he's known Jane?
  • I wonder how long he's known about the surprise party.
  • Can you tell me how long he's known her best friend?
  • It's impressive how long he's known that information without sharing.
  • How long he's known his neighbors is a good topic for small talk.

How to use How long he's known

Use in conversations about relationships, duration of knowledge, or friendships. Avoid in formal writing.

Grammar pattern

how long + subject + has/have + past participle

Memory hint

Think of a clock ticking, measuring the friendship time.

Related words

Collocations with How long he's known

Synonyms for How long he's known

  • how long he has been acquainted
  • duration of knowledge
  • length of familiarity

Common mistakes with How long he's known

  • Incorrect verb tense, like saying 'How long does he known?' instead of 'How long has he known?'
  • 'How long he's known' is often mistakenly used without context.
  • Confusion with 'How long has he known her?' which requires a specific subject.

How long he's known appears in

How long he's known in other languages

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Frequently asked questions about How long he's known

What does How long he's known mean?

The amount of time someone has been acquainted with another person.

What is the definition of How long he's known?

The duration of someone’s acquaintance with another person.

How do you use How long he's known in a sentence?

Do you remember how long he's known Jane?

Can you give another example of How long he's known?

I wonder how long he's known about the surprise party.

What are synonyms for How long he's known?

Common alternatives include how long he has been acquainted, duration of knowledge, length of familiarity.

What words go with How long he's known?

It commonly pairs with how long he's known, how long have you known, how long has he known.

What are common mistakes when using How long he's known?

Incorrect verb tense, like saying 'How long does he known?' instead of 'How long has he known?' 'How long he's known' is often mistakenly used without context. Confusion with 'How long has he known her?' which requires a specific subject.

How do you pronounce How long he's known?

US: //haʊ lɔŋ hiz noʊn//, UK: //haʊ lɒŋ hiːz nəʊn//. Listen to the audio above to hear native pronunciation.

When should I use How long he's known?

Use in conversations about relationships, duration of knowledge, or friendships. Avoid in formal writing.