21. One principal part can sometimes be predicted from another, but not with any certainty. 22. Kurt Ollmann and Amy Burton take the principal parts . 23. The principal part of the Globe Museum's inventory consists of globes which existed before 1850. 24. Over a ten-month period in 1821-1822 he conducted a principal part in the Amiowhenua expedition. 25. For some classes of verbs, however, all principal parts can be predicted given the first one. 26. Look at the fourth principal part ( or past passive participle : expressus / expressum ). 27. The four remaining leaves make up the actual map, which is divided into two principal parts . 28. He remained in Linz for two years singing principal parts from all eras of opera history. 29. Conjugation is the creation of derived forms of a verb from basic forms, or principal parts . 30. The following table shows how the paradigm of an irregular verb is constructed from its principal parts .
