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Lucas21c Posted 11 years ago
Grammar

By/until when

Could you tell me which one is okay among the follwoing sentences?

1. By when will the order be delivered?
2. By when can you finish this work?
3. Until when can you stay here?

Compared to 3#, how about "How long can you stay here?"
  

Top answer

lucas21c Could you tell me which one is okay among the follwoing sentences? They are all fine as conversational English. " #3 asks for a final time or day; the above asks for a length of time.

— Mister Micawber

  • lucas21c Could you tell me which one is okay among the follwoing sentences?
  • They are all fine as conversational English.
  • " #3 asks for a final time or day; the above asks for a length of time.
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6 Answers
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lucas21cCould you tell me which one is okay among the follwoing sentences?
They are all fine as conversational English.
lucas21cCompared to 3#, how about "How long can you stay here?"
#3 asks for a final time or day; the above asks for a length of time.
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Then, how do I correct them(#1~#3) to formal English?
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I don't think this context would find anything more formal appropriate, but for example....

1. What is the delivery deadline?
2.When will you be able to complete this project?
3. For how long will you remain here?
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lucas21c3. Until when can you stay here?
3. When must you leave?
(More natural.)
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Is the style, "Preposition + Interrogative", commonly used? Or, it is possible but not preferred? Could you tell me how "About what are you talking?" or "With whom did you go to college?" sounds?
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These formal expressions are probably not used much. Instead, try "What are you talking about?" and " Who did you go to college with? "
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