Sign sb in Meaning & Examples: How to Use This Phrasal Verb

What Does โ€œSign sb inโ€ Mean?

โ€œSign sb inโ€ means to officially record someoneโ€™s arrival, usually by writing their name or entering their details in a register or system.

Introduction

The phrasal verb โ€œsign sb inโ€ is often used in places where visitors or guests need to be registered upon arrival. This could be at a hotel, office, event, or medical facility. Understanding the sign sb in meaning helps learners communicate clearly about checking in or allowing someone access. It is a transitive phrasal verb, meaning it takes an object โ€” the person being signed in. Knowing how to use this phrase correctly is useful in everyday conversations and professional settings.

Quick Info Box

  • Phrasal verb: sign sb in (sign somebody in)
  • Type: transitive
  • Level: A2โ€“B2
  • Short meaning: to officially record someoneโ€™s arrival

Structure (Grammar Rules)

โ€œSign sb inโ€ is a separable phrasal verb. This means the object (sb = somebody) can come between the verb and the particle or after it.

  • Sign someone in
  • Sign in someone

Both forms are correct, but placing the object between the verb and particle is more common.

How to Use Sign sb in?

Use โ€œsign sb inโ€ when talking about recording a personโ€™s arrival in a system or register. It is often used in formal or official contexts, such as offices, hotels, or events. For example, a receptionist might say, โ€œI will sign you in when you arrive.โ€

You can also use it in past or future tenses: โ€œShe signed him in yesterday,โ€ or โ€œPlease sign the guests in when they come.โ€

Examples

When guests arrive at the hotel, the front desk staff sign them in to keep track of who is staying.

  • The security guard signed the visitors in before letting them enter the building.
  • Please sign me in for the conference when I arrive.
  • She forgot to sign her friend in at the office reception.
  • They signed all the new employees in on their first day.
  • Can you sign me in at the front desk?

These examples show how to use โ€œsign sb in in a sentenceโ€ naturally.

Common Mistakes

Sometimes learners confuse โ€œsign inโ€ with โ€œsign upโ€ or place the object incorrectly.

  • Incorrect: Can you sign in me?
  • Correct: Can you sign me in?
  • Incorrect: I signed up my guest in.
  • Correct: I signed my guest in.

Remember, the object must be placed between โ€œsignโ€ and โ€œinโ€ or after the whole phrase.

Differences / Synonyms

โ€œSign sb inโ€ is similar to โ€œcheck sb in,โ€ but there are slight differences.

  • Sign sb in: Focuses on recording arrival, often in a register or log.
  • Check sb in: Commonly used in hotels or flights, meaning to register and confirm a reservation.
  • Register sb: More formal; means to officially enter someoneโ€™s details in a list or database.

Use โ€œsign sb inโ€ when the emphasis is on the arrival record rather than booking or reservation.

Common Collocations

When using โ€œsign sb in,โ€ certain objects frequently appear. These collocations help you sound natural.

  • Visitors: People visiting a place temporarily.
  • Guests: People invited or staying at a place.
  • Employees: Workers at a company or organization.
  • Students: Learners arriving at school or class.
  • Patients: People arriving at a hospital or clinic.

Related Phrasal Verbs

Here are related phrasal verbs of sign sb in:

Real-life Dialogue

At the reception desk, a visitor asks about the procedure.

Visitor: Do I need to sign in when I arrive?

Receptionist: Yes, please sign yourself in on the tablet. Then Iโ€™ll give you a visitor badge.

Visitor: Okay, thanks!

Practice

Try filling in the blanks with the correct form of โ€œsign sb in.โ€

  • The receptionist __________ all the guests __________ before the meeting started.
  • Please __________ me __________ when I get there.
  • They forgot to __________ the new employees __________ yesterday.
  • Can you __________ the visitors __________ at the front desk?

FAQ

  • What does โ€œsign sb inโ€ mean? It means to officially record someoneโ€™s arrival by entering their details in a register or system.
  • Is โ€œsign sb inโ€ separable? Yes, you can put the object between โ€œsignโ€ and โ€œinโ€ or after the whole phrase.
  • Can I say โ€œsign in meโ€? No, the correct form is โ€œsign me in.โ€
  • What is the difference between โ€œsign sb inโ€ and โ€œcheck sb inโ€? โ€œSign sb inโ€ focuses on recording arrival; โ€œcheck sb inโ€ often involves confirming a reservation.
  • Can โ€œsign sb inโ€ be used in informal speech? Yes, but it is more common in formal or official contexts.

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