What part of speech is the word walking in sentence into room bob felt uneasy?

Let's break down the sentence and figure out the part of speech for "walking":

* Into the room Bob felt uneasy.

This sentence is grammatically incorrect. The correct sentence would be:

* Walking into the room, Bob felt uneasy.

Now, let's analyze "walking":

* Walking is acting as a present participle in this sentence.

* It modifies the noun "Bob," telling us how he was feeling uneasy.

* Present participles often function as adjectives or parts of verb phrases.

In summary: In the corrected sentence, "walking" is a present participle functioning as an adjective modifying "Bob."