Capital Community College Foundation
Guide to Grammar and Writing: Subject Verb Agreement
Brief discussion of the subject-verb agreement. Includes examples and quizzes.
University of Washington
Mary Nell's Summary on Agreement
Excellent summaries in table form of agreement issues, particularly those involving subjects and verbs.
University of Toronto (Canada)
University of Toronto: Subject Verb Agreement
Site provides some different rules applying to subject-verb agreement, especially in cases of "expressions of quantity." Excellent information for students looking to hone their craft of writing.
The Tongue Untied
The Tongue Untied: The Subjects
Defines and explains how to find the subject of a sentence. Gives several examples of subjects in different types of sentences.
SUNY Empire State College
Empire State College: Writer's Complex: Nouns and Their Verbs
Subject and verb agreement explained, including information on irregular verbs and "trick singular" subjects. Throughout this material, subjects are simple called nouns. Exercises included.
Robin L. Simmons
Grammar Bytes: Subject
Clear information about sentence subject, including definition, explanation of how to find subject, distinction between complete subject and simple subject, and other helpful points.