General

Verbs

  • Grammar Girl's discussion on Subject-Verb Agreement, which includes an article and podcast (starts at 2:13)
  • Passive Voice from the University of North Carolina
  • Grammar Girl's discussion on Subjunctive Verbs (Was versus Were), which includes an article and podcast (starts at 4:25)

Punctuation

Commas

Semi-Colons, Colons, and Dashes

Apostrophes

  • Grammar Girl's discussion on Apostrophes, which includes an article and podcast (starts at 6:03)

Clauses

Word Choice

  • Word Choice from University of North Carolina
  • Related Words is a webpage that helps find synonyms or other related words

Adjectives and Modifiers

    • Grammar Girl's discussion on Order of Adjectives, which includes an article and podcast (starts at 1:04)

Who versus Whom

    • Grammar Girl's discussion on Who versus Whom, which includes an article and podcast (starts at 1:08)

That versus Which

Affect versus Effect

Miscellaneous

  • Articles from the University of North Carolina
  • Grammar Girl's discussion on I.e. Versus E.g., which includes an article and podcast (starts at 6:28)
  • Free Rice: a website that tests your vocabulary knowledge. For every correct answer, they donate 10 grains of rice to the United Nations World Food Program. (Please, disable your adblock when using since they use the ads on the site to generate the money to buy the rice.)
  • Tip of My Tongue: a website to help identify a forgotten word.

Online Grammar Exercises