Subjects and verbs must agree (be consistent) in terms of tense, number, person, and gender.
Achieving Tense Agreement: Past, Present, and Future
Tense refers to time, be it past, present, or future.
You must use the appropriate tense to reflect the correct
Common Subject-Verb Agreement Questions
If you're a native English speaker, you've been using all
these forms of verbs most of your life, and you use them correctly
without much thought. The reason that this introduction to
verbs is important to you is that it contains useful terms
you should be familiar with before you study the guidelines
that help you make proper choices of verb tense to fit each
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