Answers

2014-11-14T23:57:50+08:00
Subject-Verb-Agreement
= the subject and verb must agree in number : both must be singular, or both must be plural.Problem occurs in the present tense because one must add an -s or -es at the end of the verb when the subjects or the entity performing the action is a singular third person ; he ,she,it or words for which these pronouns could substitute.
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