Discuss Forum

1. write down the structure of present perfect cintinuous tense.

  • A. subject+have/has been+ v-ing+ object/extention
  • B. subject+have/has been+ v-ing+ object/extention
  • C. subject+have/has been+ v-ing+ object/extention
  • D. subject+have/has been+ v-ing+ object/extention

Answer: Option A

Explanation:

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