The colon is used before enumerations, especially where "namely," or "viz.
The apostrophe isused before the "s" of the plural when single letters are used as words.
In cases where no point would be used before a conjunction, a comma is inserted if the conjunction be omitted.
K is used before n, knell, knot, but totally loses its sound.
One of the three words, a, an, the, used before nouns to limit or define their application.
It is used before nouns of the singular number only, and signifies one, or any, but somewhat less emphatically.
An isused before a word beginning with a vowel sound; as, an enemy, an hour.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "used before" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
