Differences between the past simple and the present perfect tense

Nota:

• finished and unfinished time

Adjunto:

• Inglés - Verbos Compuestos I (Phrasal Verbs)
• Present Perfect Simple

1. Past simple
   1. finished time
      1. Yesterday
         1. Last week
            1. Last year
               1. Ten years ago
                  1. The day before yesterday
                     1. Examples:
                        1. When I was a child I liked to go to school
                        2. I visited Germany five years ago.
2. Past Perfect
   1. Unfinished Time
      1. This week
         1. This month
            1. This year
               1. The last few years
                  1. Today
   2. Examples
      1. This year I have read three books.