What part of speech is catch?

"Catch" can be several parts of speech depending on how it's used in a sentence:

* Verb: This is the most common use. "I will catch the bus."

* Noun: "The catch is, we need to be there by 6 pm."

* Adjective: (Less common) "We have a catch game on TV tonight."

Let me know if you have a specific sentence in mind and I can help you identify the part of speech for "catch"!