Purdue OWL: Subject/Verb Agreement - Welcome to the Purdue ...
4. Doesn't is a contraction of does not and should be used only with a singular subject. Don't is a contraction of do not and should be used only with a plural subject.
http://owl.english.purdue.edu/owl/resource/599/01/
Subject-Verb Agreement
If your computer is equipped with PowerPoint, click on the PowerPoint icon to the right for a brief PowerPoint presentation on Subject-Verb Agreement.
http://grammar.ccc.commnet.edu/grammar/sv_agr.htm
20 Rules of Subject Verb Agreement - English Grammar Rules & Usage
Learn the 20 rules of subject verb agreement. ... While grammar is not as static a science as is typically assumed, the 20 rules of subject verb agreement attempt to ...
http://grammar.yourdictionary.com/sentences/20-Rules-of-subject-verb-agreement.html
Grammar and Punctuation: Subject-Verb Agreement
In this section, you will find many instructional materials we've developed for our Writing Center teaching. However, there are limitations to these materials.
http://writing.wisc.edu/Handbook/SubjectVerb.html
subject object verb | all of those things and more.
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http://subjectobjectverb.com/
The Definition of Subject-Verb Agreement | eHow.com
Outside of a few specific exceptions, when you are writing with proper subject-verb agreement, any singular subject--a person, place or thing that performs the action ...
http://www.ehow.com/about_6561731_definition-subject_verb-agreement.html
Examples of the subject-verb agreement - The Q&A wiki
This answer contains several examples of careful agreement between subject and verb. "The dishes ( plural ) are done and table (singular) is clear." But here's a ...
http://wiki.answers.com/Q/Examples_of_the_subject-verb_agreement
Subject Verb Agreement - Welcome to LEO: Literacy Education Online
The subject and verb must agree in number: both must be singular, or both must be plural. Problems occur in the present tense because one must add an -s or -es at the ...
http://leo.stcloudstate.edu/grammar/subverag.html
Subject-Verb Agreement - Towson University
Usage - Subject-Verb Agreement. Subjects and verbs must AGREE with one another in number (singular or plural). Thus, if a subject is singular, its verb must also be ...
http://www.towson.edu/ows/sub-verb.htm
Sentence Subjects - CT Community Colleges
The subject of a sentence is the person, place, thing, or idea that is doing or being something. You can find the subject of a sentence if you can find the verb.
http://grammar.ccc.commnet.edu/grammar/subjects.htm