When discussing English sentence st

When discussing English sentence structure, it is useful to have a basic understanding of verb tenses.
English verb tenses fall into three general time frames—past, present and future. Within each of these
time frames are four fundamental types of verb tenses, distinguished by both structure and function.
These are the simple tenses, progressive
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tenses, perfect tenses and perfect progressive tenses. This
handout provides an overview of the English language verb tenses and some basic information about
their structures and most common uses in active voice.