Past Simple versus Present Perfect
Use the present perfect to talk about an action that happened in the past when the exact time isn’t known or isn’t
important. Use the simple past tense when the exact time is given.
Present Perfect Simple Past
A: Have you ever met a billionaire? A: When did he start the company?
B: No, I’ve never met a billionaire. B: He started the company in the late 70s.
Note: Time expressions we can use with the present perfect are: yet, so far, ever, never, already, recently, lately, once, twice, etc.
Asking and Telling about Personal Experiences: Have you ever ..?
Have you ever ordered books online
Yes. So far this year. I’ve ordered 25 books online.
Have you ever ordered books online No. I’ve never ordered books online, but
I’ve bought other products through the Internet.
I haven’t bought books online yet. I buy them
from the bookstore on the corner.
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