Identify the verbal in this sentence as infinitive, gerund or participle.

The old woman slept, not realizing she was no longer poor.

gerund

participle

infinitive

The verbal in this sentence is participle

Explanation:

A participle is a form of verb which is used to describe something else and it do not take the noun these types of verbs are called participles. They end with - ing. A gerund is a type of verb which is used to take the verb completely into noun form and this also ends with - ing.

Infinitives are employed with to=base verbs and they are called as infinitives. In the given sentence not realizing describes the old women and hence it is a participle.