This site offers clear explanations of how to correct subject-verb agreement problems. In particular, the "helpful hints" for finding your subject are useful.

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This information from the University of Wisconsin, Madison, offers a table showing you when you should be on the lookout for subject-verb problems—a useful tool for revision.

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The University of Oregon has done a nice job with this guide to grammar for journalism majors. Several examples of subject-verb agreement problems are provided, along with good explanations of correct answers, and the rules that govern each example. Be sure to "turn" the pages; there are 4 pages relating to subject-verb agreement.

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The exercises at this site are very practical, preparing you for real-world writing situations. Highly recommended!

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A cute, beginner quiz from EFLNet

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If you like games, this site is for you. The BBC has created an entertaining "treasure hunt" to make grammar fun.

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