【正文】
: think bees thinking fall bees falling run bees running The second type of participle, the past participle, is a little more plicated, since not all verbs form the past tense regularly. The following are all past participles: the sunken ship a ruined city a misspelled word Note that only transitive verbs can use their past participles as adjectives, and that unlike other verbals, past participles do not take objects (unless they are part of a pound verb). Past Participle To form the past participle of a verb, add the ending ed to the base form. (But note that many mon ve