Don’t use a comma to separate a verb from its direct object

Don’t use a comma to separate a verb from its direct object or complement.

• Don’t read, short stories.
  (verb/read – direct object/short stories)
  Don’t read short stories.
• The dog knew immediately, that the fridge was open.
  (verb/knew – direct object/fridge)
  The dog knew immediately that the fridge was open.

Now try the English Punctuation Quiz.