Final answer:
The present perfect tense describes ongoing situations from the past to the present using auxiliary verbs.
Explanation:
Present perfect tense is used to describe ongoing situations or actions that have just occurred.
Actions in the present perfect tense are characterized by continuity from the past to the present, such as "We have worn organic cotton shirts."
Verbs in the present perfect tense always include the auxiliary verb 'have' or 'has' with the past participle form, illustrating actions recently completed.
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