The word "in" can be used as a preposition, an adjective, or as an adverb. It has many interesting applications, but generally we use the word "in" to show that a person or a thing is inside, within, included, a part, or available.
...in his glove
- The ball is in his glove. (preposition)
- The passengers are in the plane. (preposition)
- Their flight is in. (adjective)
- They flew in from New York. (adverb)
You can use "in" when something arrives or is present:
- When will they be in? (When will they arrive?)
- The doctor isn't in right now. He'll be in later. (He isn't present. He isn't there.)
- A large shipment of furniture is in.
- Are you going to be in tomorrow? (in = at work)
- What time will you be in?
You can use "in" with many different verbs to form idioms. Some idioms are hard to understand, but these examples might help:
- Come in. Hi. Welcome to my home. Come in.
- Go in. Cathy has to go in for a check up tomorrow.
- Move in. We found a new apartment. Next week we're going to move in.
- Drive in. Gordon drove all the way in from Alaska.
- Eat in. Do you want to eat out tonight or eat in?
- Weigh in. The boxers needed to weigh in before their fight.
- Walk in. Tracy doesn't have an appointment to get her hair cut. She's just going to walk in.
- Run in. I need to run in and get something in my house. Will you wait here?
- Fly in. Denise flew in this morning from Houston.
- Turn in. The office manager told Juanita to turn in her keys after she was fired.
- Hand in. The teacher asked the students to hand in their assignments.
- Step in. The police should step in before this situation gets out of control.
- Sit in. I'd like to see what you are teaching today. Do you mind if I sit in?
- Sleep in. Bruce sleeps in until about noon on Saturday because he doesn't have to go to school.
- Check in. When we arrive at the hotel, we'll need to check in.
- Stop in. Next time you're in Chicago, you should stop in for a visit.
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This page was first published on March 25, 2012. It was updated on April 9, 2015.