Answer:
Verbal phrase: 'Marching in neat rows'
Type: Participle.
Step-by-step explanation:
Verbal phrases are described as the part of the sentence carrying a verb along with a direct or indirect object which functions either as an adverb or as an adjective in the sentence.
In the given question, the complete verbal phrase is 'Marching in neat rows' that exemplifies the 'participle verbal phrase' as it contains a participle(verb form) 'marching' along with an object that is functioning as an adjective in the sentence which modifies the noun 'the band'.