The grammar terms (present perfect and past perfect) and the why don’t matter. All you need to know is that the verb form that works with “have” and its cousins is the past participle.

Catherine and Callum explain all about present and past participle clauses.

Stalking the elusive present participle Playing with English grammar is fun until you call a word a gerund when it isn’t.

Indeed, languages with three forms for present, past and participle have a way of trying to make two things out of three. Sometimes they marginalize the past form in favor of the participle.

There are not very many adjectives formed from verb participles, Tutul, that can be used in both -ed and -ing forms. You can often get a sense of what works and what doesn't by transforming the ...

The grammar quiz for this week was based on a quote from an NBC correspondent named Jaime Gangelle, who was interviewing an actor named Terrence Howard on March 18, 2007, at 8:50 a.m. on Channel 7 ...