Notice that in sentences (29)-(33), the verb-forms have and has have been used as main verbs
and not as auxiliaries.
The collocation and frequencies of the main verbs
used in the introduction sections of PhD dissertation were analyzed via the software Antconc (version: 184.108.40.206) by adopting the framework, 'A Typology of Verbs for Scholarly Writing' proposed by Frels, Onwuegbuzie and Slate32.
A non-agentive verb phrase, i.e., "reveal one or more of the following weaknesses", and passive voice, i.e., "is seriously flawed" are the main verbs
of the Level 1 and 2 introductory statements.
as main verbs
they occupy the central place of any given sentence.
Following the colorfully illustrated story keeps interest high as young readers learn more about English verb usage, including basic definition of verbs, action and being verbs, past, present, and future tense, progressive tense, irregular verbs, main verbs
, and helping verbs.
Even main verbs
can sometimes be negated without the negative suffix as in (33) (adapted from Uwalaka 2003; 11, glossing is mine):
Compare to the previous work our proposed system imposes semantic constrain on main verbs
in question and semantic match on relation using Word Net's meronym, hypernym and hyponyms hierarchy.
Tregex (Levy & Andrew, 2006) is a powerful syntactic tree search language for identifying syntactic elements (e.g., main verbs
of sentences) and which has been used by researchers (Heilman & Smith, 2010) to define wh-movement rules.
Italian uses some manner verbs as the main verbs
in clauses describing bounded displacement.
Furthermore, verbs such as omit, deny, neglect, escape, and eschew are implicative, but since their complements are not posterior to the main verbs
, (28) does not apply to them.
Their function is to coordinate main verbs
and form V1-V2 complex verbal constructions in which V, is main verb
and V2 is light verb.