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Anonymous Posted 18 years ago
Grammar

has been, had been

0Hey guys.02br
00Can you please give me any links so I can read something about what kind of verb I should use "Has been/arrived/went" or "Had been/arrived/went". Or if you want, you can explain it here to me.02br
00Appreciate all the answers. 0-
  

Top answer

0You are looking for the difference between the past perfect and the present pefect. 02br 02br 00Simply, past perfect is the had + participle verson, and is used to talk about something that took place even further in the past than the main action in the past. 0-

— BarbaraPA

  • 0You are looking for the difference between the past perfect and the present pefect.
  • 02br 02br 00Simply, past perfect is the had + participle verson, and is used to talk about something that took place even further in the past than the main action in the past.
  • 0-
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3 Answers
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0You are looking for the difference between the past perfect and the present pefect. Under your post are some links that will take you to posts that address this topic, or you could do a Google search on "present perfect" and see if those are helpful.02br
02br
00There have been so many discussions on this topic in these forums that you should be able to get many of your quest
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The microwave communication system has had been adapted to the CEB to enhance the system control operations in general.


is this sentance correct gramatically?
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No. Since I don't know what you mean, here are your choices:

The microwave communication system has been adapted to the CEB to enhance the system control operations in general.
The microwave communication system had been adapted to the CEB to enhance the system control operations in general.
The microwave communication system has to have been ada
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