Swear by sb Meaning & Examples: How to Use This Phrasal Verb

What Does โ€œSwear by sbโ€ Mean?

โ€œSwear by sbโ€ means to have complete trust or confidence in someone, often believing they will not fail or disappoint.

Introduction

The phrasal verb โ€œSwear by sbโ€ is commonly used in English to express strong trust or belief in a person. When you swear by someone, you rely on their advice, skills, or character because you believe they are reliable and honest. Understanding the โ€œSwear by sbโ€ meaning helps you use it naturally in conversations, especially when talking about recommendations or personal trust. This phrase is useful in both casual and formal settings and can make your English sound more fluent and natural.

Quick Info Box

  • Phrasal verb: Swear by somebody
  • Type: Transitive
  • Level: B2
  • Short meaning: To trust or believe strongly in someone

Structure (Grammar Rules)

โ€œSwear by sbโ€ is an inseparable phrasal verb, which means you cannot put any words between โ€œswearโ€ and โ€œby.โ€ It always follows the pattern:

  • Swear by + somebody

Example: I swear by my best friend.

How to Use Swear by sb?

Use โ€œSwear by sbโ€ when you want to express strong trust or confidence in a personโ€™s ability or advice. It often appears in spoken English when recommending someone or showing loyalty. You can use it in positive statements or questions.

Examples

People often swear by their mentors when making important decisions.

  • I swear by my sister; she always gives the best advice.
  • He swears by his coachโ€™s training methods.
  • Do you swear by your lawyerโ€™s judgment?
  • Many employees swear by their managerโ€™s leadership skills.
  • She swears by her doctorโ€™s recommendations for staying healthy.

These examples show how to use โ€œSwear by sb in a sentenceโ€ to express trust or confidence.

Common Mistakes

Sometimes learners confuse โ€œswear by sbโ€ with similar phrases or use it incorrectly.

  • Incorrect: I swear by him advice.
    Correct: I swear by his advice.
  • Incorrect: She swears at her friend.
    Correct: She swears by her friend.

Remember, โ€œswear by sbโ€ always means trust, not to swear (curse) at someone.

Differences / Synonyms

Similar phrases include โ€œrely on sbโ€ and โ€œtrust sb,โ€ but โ€œswear by sbโ€ is stronger and more informal.

  • Swear by sb: Strong personal trust or belief.
  • Rely on sb: Depend on someone for help or support.
  • Trust sb: Believe someone is honest or reliable.

While โ€œswear by sbโ€ often implies loyalty, โ€œtrustโ€ and โ€œrely onโ€ are more neutral.

Common Collocations

People commonly use โ€œswear by sbโ€ with roles and relationships that imply trust.

  • Swear by friend โ€“ trust a close companion
  • Swear by doctor โ€“ believe in a medical expert
  • Swear by teacher โ€“ trust an educatorโ€™s guidance
  • Swear by mentor โ€“ have confidence in a trusted advisor
  • Swear by coach โ€“ believe in a sports or life coach

Related Phrasal Verbs

Here are related phrasal verbs of swear by sb:

Real-life Dialogue

Here is a short conversation where two friends talk about trust:

Anna: Have you met the new manager? I swear by her leadership skills.

Ben: Really? I havenโ€™t met her yet, but I trust your opinion.

Anna: You should. Everyone swears by her ability to solve problems quickly.

Practice

Try this exercise to test your understanding of โ€œSwear by sb.โ€

Choose the correct sentence:

  • a) I swear by my brotherโ€™s advice.
  • b) I swear by my brother advice.
  • c) I swear my brother by advice.

Answer: a) I swear by my brotherโ€™s advice.

FAQ

  • Q: Can I use โ€œswear by sbโ€ in formal writing?

    A: It is more common in spoken and informal English but can be used in less formal writing.

  • Q: Is โ€œswear by sbโ€ the same as โ€œtrust sbโ€?

    A: They are similar, but โ€œswear by sbโ€ shows stronger personal trust.

  • Q: Can I say โ€œswear by somethingโ€?

    A: Yes, it also works with things, like โ€œswear by this medicine.โ€

  • Q: What is the opposite of โ€œswear by sbโ€?

    A: To distrust or doubt someone.

  • Q: Is โ€œswear by sbโ€ separable?

    A: No, it is inseparable. You cannot separate โ€œswearโ€ and โ€œby.โ€

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