• REVIEW - Units 3, 4 & 5
     Help
  • How do we form the present perfect simple?
    have/has + past participle of the verb (3rd column)
  • How do we form the present perfect continuous?
    have/has + been + verb (-ing)
  • What's the difference between these 2 sentences? "I have done my homework" VS "I have been doing my homework"
    The former focuses on the action that finished recently, and the latter emphasizes the activity itself
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