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Norwolf Posted 14 years ago
Grammar

Should/ must

# ____ you interrupt now? Can’t you see I’m on the phone?
# Sorry sir, but it’s urgent.
A Can B Should C Must D Would

To my ear, both B and C do work.
What do you teachers think of it, please?
Thank you very much.
  

Top answer

Hi, Only C Must you . . ?

  • Hi, Only C Must you .
  • .
  • ?
  • is a standard syntax for rebuking someone for their action.
  • Clive
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2 Answers
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Hi,

Only C

Must you . . . . ? is a standard syntax for rebuking someone for their action.


Clive
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Should is acceptable in statements, before the action has happened

You should not interrupt anyone when they are on the phone. (rule of being polite, not absolute)
You must not interrupt me when I am on the phone. (strong, absolute)
Should you need anything, please call. (conditional)

But should is not used in a rebuke, after the action has already happe

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