English

• Using the present perfect tense

  1. Subject

  2. "have" or "has"

  3. Past participle verb
• When to use the present perfect tense


  When there is a connection between the present and the past
• Situations to use the present perfect tense

  • Something started in the past and continues in the present
  • Talking about an activity done several times in the past and continuing now
  • Talking about life experience
• Finished time


  Time periods that are complete, like last week, yesterday, 1991
• Unfinished time


  Time periods that are not yet complete, like today, this week, this month
• When to use past simple vs present perfect

  Use past simple for finished time, use present perfect for unfinished time
• Past simple vs present perfect


  • Last month, I visited my brother three times.
  • This month, I have visited my brother twice.
• Forming negative present perfect sentences


  Subject + "have" or "has" + "not" + past participle verb
• Negative present perfect sentences


  • Last month, I visited my brother three times.
  • This month, I haven't visited him at all.
• Forming present perfect questions


  "Have" or "Has" + subject + past participle verb
• Present perfect questions


  • Has he cleaned the bathroom?
  • Have you eaten enough?
  • Has it rained today?
  • Have they finished yet?