Saturday, June 6, 2015

present perfect vs simple past - I've just bought vs. I just bought vs. I bought

I bought an English grammar book 3 weeks ago. Is it correct to use any of the following sentences interchangeably to tell my friend that I bought the book, or is there a difference in meaning between each sentence?




  1. I've just bought a book on English grammar, and it looks pretty good.

  2. I just bought a book on English grammar, and it looks pretty good.


  3. I bought a book on English grammar, and it looks pretty good.

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