Resumes and cover letters need perfect grammar. Here are selected rules contributed by several experts including Laura A. DeCarlo and Dr. David F. Noble.

• Laura DeCarlo's Competitive Edge Grammar Rules
  
  
• Dr. David F. Noble's Errors and Stylistic Weaknesses in Cover Letters
  
  

Continuous vs. Continual

Continuous: Actions which are uninterrupted.
e.g., "My upstairs neighbor played his stereo continuously from 6:00 PM to 3:30 AM."

Continual: Actions which are repeated but not necessarily uninterrupted.
e.g., "My father continually urges me to get a job."