What grammatical structure is the italicized portion of the sentence?

We walked along the mountain path looking for unusual flowers.

Nothing there is italicized.

the italicized words are looking for unusual flowers

The italicized portion of the sentence is a participial phrase.

To identify the grammatical structure of a sentence, we can break down the sentence and analyze the individual components.

In this sentence, we have the main verb "walked" followed by the preposition "along" and the noun phrase "the mountain path." The participial phrase "looking for unusual flowers" modifies the main subject "we" and provides additional information about the action of walking.

A participial phrase typically starts with a present participle (-ing form of a verb) or a past participle (-ed or irregular form of a verb). In this case, "looking" is the present participle form of the verb "look." The participial phrase serves as an adjective, giving more detail about the action of walking.