The party-goers drank while dancing. 1. present participle dancing

Though tired, the runner finished the race. 2. past participle tired

When complete, the brief must be filed with the clerk. 3. true adjective complete

Although near the subway, the company urged its workers to drive to work. 4. prepositional phrase near the subway

He seemed unsteady as if about to fall. 5. infinitive to fall

Though a fair man, the Senator required his staff to work after hours. 6. true noun man