21. See the article on verb phrase ellipsis for examples. 22. Each parallel verb phrase must be complete in itself. 23. A more tightly binding rule, however, is that the focus directly precedes the verb phrase . 24. A third diagnostic that can be used for identifying auxiliary verbs is verb phrase ellipsis. 25. The only obligatory elements of a verb phrase are the head and the subject clitic. 26. Basic relative concords come after the subject and replace the subject concord of the verb phrase . 27. There are also many words which are different, and grammatical differences, particularly in the verb phrase . 28. Tightly bound adjuncts include prepositional and verbal adjuncts and adjectival adjuncts to a non-copula verb phrase head. 29. The relational verb'implies'is frequently used for the converse of the relational verb phrase 'is a consequence of '. 30. The subject pronoun was almost invariably attached to whichever part of the verb phrase immediately was following.