Phrasal Verb: Check In

to register on arrival

Examples

• We checked in at noon.

Key rules

• Check in means register your arrival at a hotel, airport or event
• It is followed by "at" or "into": check in at the airport, check into the hotel
• It is the opposite of "check out"
• It is written as two words in verb form

Common mistakes

• We checked the hotel in → We checked into the hotel