What part of speech is “in”?
In is primarily classed as a preposition, but it can be classed as various other parts of speech, depending on how it is used:
- Preposition (e.g., “in the field”)
- Noun (e.g., “I have an in with that company”)
- Adjective (e.g., “Tim is part of the in crowd”)
- Adverb (e.g., “Will you be in this evening?”)