Both present participles and past participles may be used as adjectives. The present participle always ends in -ing. Past participles usually end in -ed, -d, -en, -n, or -t.
PRESENT PARTICIPLES |
confusing, speaking, boring |
PAST PARTICIPLES |
confused, spoken, bored |
Like all other adjectives, participles can come before nouns; they also can follow linking verbs, in which case they describe the subject of the sentence.
Choosing present vs. past participle
Use a present participle to describe a person or thing causing or stimulating an experience.
The lecture caused boredom.
Use a past participle to describe a person or thing undergoing an experience.
The audience experienced boredom.
Participles that describe emotions or mental states often cause the most confusion.
annoying/annoyed |
exhausting/exhausted |
boring/bored |
fascinating/fascinated |
confusing/confused |
frightening/frightened |
depressing/depressed |
satisfying/satisfied |
exciting/excited |
surprising/surprised |
Exhausting describes the hike, which caused exhaustion.
Exhausted describes the hikers, who experienced exhaustion.
Exercises:
Present vs. past participles 1
Present vs. past participles 2
Related topic:
Linking verbs and subject complements