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Present Perfect?
by Joe Clark - Monday, 18 September 2017, 08:03 PM
 
Hello,

I was hoping someone could help me with an English problem regarding present perfect sentences. I have a text that states: "We use the Present Perfect to say that an action happened at an unspecified time before now. The exact time is not important. You CANNOT use the Present Perfect with specific time expressions such as: yesterday, one year ago, last week, when I was a child, when I lived in Japan, at that moment, that day, one day, etc. We CAN use the Present Perfect with unspecific expressions such as: ever, never, once, many times, several times, before, so far, already, yet, etc. "

Please Help.
Thanks !
I didn't find the right solution from the internet.
References:
-https://www.ecenglish.com/learnenglish/node/5295