+Explanation+.—The line standing for the participle is broken; one part slants to represent the adjective nature of the participle, and the other is horizontal to represent its verbal nature.
+Oral Analysis+.—The phrase hearing a step is a modifier of the subject; [Footnote: Logically, or in sense, hearing a step modifies the predicate also. I turned when or because I heard a step. See Lesson 79.] the principal word is hearing, which is completed by the noun step; step is modified by a.
+Parsing+.—Hearing is a form of the verb called participle because the act expressed by it is merely assumed, and it shares the nature of an adjective and that of a verb.
2. The fat of the body is fuel laid away for use.
+Explanation+.—The complement is here modified by a participle phrase.
3. The spinal marrow, proceeding from the brain, extends down-ward through
the back-bone.
4. Van Twiller sat in a huge chair of solid oak, hewn in the celebrated
forest of the Hague.
+Explanation+.—The principal word of a prepositional phrase is here modified by a participle phrase.
5. Lentulus, returning with victorious legions, had amused the populace with the sports of the amphitheater.
The +participle+ may be used as an +attribute complement+.
6. The natives came crowding around.