Grammar Lesson 1 - Plain Local School District
Jul 04, 1984 · The present perfect tense is used to express an action that took place at some indefinite time in the past. The present perfect tense is formed with the past tense of the verb and the helping verb has or have. The present perfect tense can also be used to express an action that began in the past and continues now. She has read that book. ................
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