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Sinbadsunny Posted 10 years ago
Grammar

In regard to tense

xxx and xxx have been revised since I have selecited a wrong means of xxx last time.

In the above I mean that I selected first and then note that is wrong ,finally I revised the results.
In this case I want to know if I can use two perfect tenses in one sentence to express that order?
  

Top answer

Sinbadsunny *** and *** have been revised since I have s elecited selected a wrong means of *** last time. Not knowing what *** is makes it difficult to assess the sentence, but it looks wrong to me. Sinbadsunny I want to know if I can use two perfect tenses in one sentence to express that order?

— CalifJim

  • Sinbadsunny *** and *** have been revised since I have s elecited selected a wrong means of *** last time.
  • Not knowing what *** is makes it difficult to assess the sentence, but it looks wrong to me.
  • Sinbadsunny I want to know if I can use two perfect tenses in one sentence to express that order?
  • It's not likely that it's correct.
  • Provide real words instead of *** if you'd like a more detailed analysis of your sentence.
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9 Answers
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Sinbadsunny*** and *** have been revised since I have selecited selected a wrong means of *** last time.
Not knowing what *** is makes it difficult to assess the sentence, but it looks wrong to me.
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labour and work center have been revised since I have selected a wrong means of cutting in costing model last time.
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Sinbadsunnylabour and work center have been revised
You need "the", but even so, The labor and work center have been revised doesn't make sense. Maybe you mean that those centers have been remodeled? Or maybe you mean that the reports or documents regarding those centers have been revised.
Sinbadsunn
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The labour and work center refer to the corresponding costs for a product respectively. Cutting is one of stages in processing the product. By the way can you tell me the difference between means and method?
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SinbadsunnyThe labour and work center refer to the corresponding costs for a product respectively.
"labour' means "work", so this is confusing. Are there two centers? A labour center and a work center? And why do you say "center". You say that this center corresponds to costs, which doesn't make sense to me. Are you talking about labour costs and work cos
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Yes, there are labour cost and machine cost, I use work center to refer to the machine.
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SinbadsunnyYes, there are labour cost and machine cost, I use work center to refer to the machine.
But "work center" means something totally different from "machine costs" in English.

CJ
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OK. Here is what I think you are trying to say:

Labor and machine costs have been revised because I used the wrong cutting method in the cost model last time.

CJ
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