These are the eight parts of speech: noun, pronoun, adjective, verb,
adverb, preposition, conjunction, and interjection.
Note: A colon should not follow directly after a verb or a preposition.
The following two sentences include incorrect uses of the colon.
The two days of the weekend are: Saturday and Sunday.
We saw our dog run into: the woods, the house, and the
neighbor’s backyard.
2. Use a colon after the salutation of a business letter.
Dear Sirs:
Dear Madam:
3. Use a colon between the hour and the minute of time.
It is now 4:22.
The train is due here at 5:08.
4. Use a colon between a title and a subtitle.
Mary Shelley wrote the novel Frankenstein: or, the Modern Prometheus.
Did William Shakespeare write Twelfth Night: Or What You Will?