Don't jump from a running train. Here, "running" is a/an-

Correct answer: Participle.
- Don't jump from a running train.
- এখানে “running” হলো Present Participle.
- এখানে "running" শব্দটি "train" (Noun)-এর আগে বসে ট্রেনের অবস্থা বর্ণনা করছে।

• Present participle: Verb এর সাথে "ing" যোগ হয়ে যদি adjective এর কাজ করে অর্থাৎ Verb ও adjective এর কাজ করে, তাহলে তাকে present participle বলে।
- Present participle = "Verb+ ing"= adjective+ verb

• A participle is a verb that ends in -ing (present participle) or -ed, -d, -t, -en, -n (past participle).
- Participles may function as adjectives, describing or modifying nouns.
- Participle একই সাথে Verb ও Adjective এর কাজ করে।

• Participle মূলত: তিন প্রকার:
1. Present Participle. Ex: Don't jump from a running train.
2. Past Participle. Ex: Do not drink boiled water.
3. Perfect Participle. Ex: Having finished the project, the team went out to celebrate.

Source: A Passage to the English Language by S.M. Zakir Hussain