Present Participle (definition)

In English, this is a verb that combines with the present form of the verb “to be” to indicate an action which is happening in the present. For example, The dog is barking. The people are walking. etc. The present participle can also be used as an adjective, as in The sleeping cat purrs.

External Links

http://www.usingenglish.com/glossary/present-participle.html

http://en.wikipedia.org/wiki/Present_participle

http://www.tolearnenglish.com/free/news/0gpresentparticiples.htm