Kathy picked up the pieces of broken glass. Picked is none of infinitive, participle, gerund for sure. Picked is simply a regular verb. Infinitive= to+verb, gerund/participle= verb+ing. Verb+ed= a regular verb. The verbal is "broken" here and it's a "participle", to be exact past participle.
Added 6/17/2011 9:09:42 AM