The glancing blow did little damage. Go to the dictionary to look for the answer. This computer game is easy to play and to understand. His chief interests are skiing and racing. 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.