A sentence is a group of words that expresses a complete thought.
A sentence must contain a subject and a verb.
Examples:
Dawn saw a
ghost. (Dawn - subject / saw - verb) I ran.
(I
- subject / ran - verb)
Whilst
most of the costs are clear, this department is not in a position to pay the
invoice until clarification has been received regarding all costs.
(department - subject / is - verb)