Iv. work in pairs. look at sentences a-f in the texts. answer the questions. 1. these sentences sound better in the passive than in the active because we are more interested in the a) actions. b) people. c) time. 2. which auxiliary verb do we use in every sentence? a) have b) be c) do 3. every passive sentence has a(n) a) infinitive. b) -ing form. c) past participle. 4. to mention the person or thing that does the action we use the word a) because. b) by. c) for.