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Sophia Learning
Sophia: Choosing a Present Tense: Lesson 3
This lesson discusses how to determine which present tense verb to use in a given situation. It is 3 of 4 in the series titled "Choosing a Present Tense."
Capital Community College Foundation
Guide to Grammar and Writing: Future Time a Survey
Examples of simple present, simple future, future perfect, present continuous, future continuous, to be going to, future perfect continuous, and some added notes.