1. I don't know (Present Inefinite -Active voice)what the time is(Present form of verb to be -Active voice )now as my watch has stopped.( Present Perfect -Active voice )2. The typist had typed(Past Perfect -Active voice ) all the letters before the manager came(Past Indefinite -Active voice )3. I shall be preparing (Future Continious -Active Voice )for my examinations in May.4. Science in Russia has made( Present Perfect -Active voice ) enomorous progress since the beginning of the century.5. They informed(Past Indefinite -Active voice ) us that they had charted (Past Indefinite -Active voice )the steamer "Minsk" for the transportation of the goods.