are traditionally described as 'doing' or 'action' words. Verbs are an
OPEN and MAJOR WORD CLASS and comprise two basic types: MAIN and AUXILIARY
VERBS. A verb can be the only unit in a clause e.g. Wait! Verbs
are marked for TENSE and show AGREEMENT with the SUBJECT.
This is a phrase whose Head word is a verb.
A vocative is a noun phrase which directly addresses someone. For example, Bob, can I have a word? I need that book now, Sarah.
Voice refers to the ACTIVE/PASSIVE
distinction. For example, Linda bought a Porsche is active, whereas
The Porsche was bought by Linda is its passive counterpart.