Forgetting his promise, Jeff returned home late. My dog is too old to learn new tricks. One way to improve is regular practice. Lesson 239 - Verbals A verbal is a verb form used as some other part of speech. A gerund always ends in ing and is used as a noun.
Eating is fun.
A participle is used as an adjective and ends in various ways. A present participle always ends with ing as does the gerund, but remember that it is an adjective. A past participle ends with ed, n, or irregularly. An infinitive is to plus a verb form. It can be a noun, an adjective, or an adverb.