Past Indefinite Tense (active and passive) decided, asked, did, gave, were done, was built; Present Indefinite Tense (active and passive) - is observed, looks, are published, am right, determines, consists of, is situated, study, comes, am sorry, is designed; Present Continuous Tense - are reading, am leaving, are looking, is happening, am experimenting; Future Indefinite Tense - shall be back, will divide, will be ready, will maintain; Future-in-the-Past: - should take, should come, would translate, would remain.