Which sentence contains a participle functioning as a verb?

1. The students are waiting for the bus
2. Mateo will only eat cooked carrots
3. The blinking sign warns drivers of a sharp curve ahead
4. David brought coloring books to the restaurant

3. The blinking sign warns drivers of a sharp curve ahead.

The sentence that contains a participle functioning as a verb is:

3. The blinking sign warns drivers of a sharp curve ahead

To determine which sentence contains a participle functioning as a verb, we need to understand what a participle is. A participle is a verbal form that is derived from a verb but functions as an adjective or adverb in a sentence. It can describe a noun or pronoun or modify a verb or adjective.

In sentence 2, "Mateo will only eat cooked carrots," the word "cooked" is a participle that is derived from the verb "cook." It functions as an adjective that describes the carrots. It answers the question "What kind of carrots?" Therefore, sentence 2 is the sentence that contains a participle functioning as a verb.