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01:05 Jul 8, 2011
English to English translations [Non-PRO] Art/Literary - Other
A question tag or tag question is a grammatical structure in which a declarative statement or an imperative is turned into a question by adding an interrogative fragment (the "tag"). [Ref: http://en.wikipedia.org/wiki/Tag_question] That makes this purely a textbook excercise, albeit not a very well thought out one (already pointed out by several other members)
Must this be phrased negatively? Can it not be either of the two forms suggested by Tina? Customers pay when THEY want in nearly every case. Even timid people would fumble around some sort of a positive statement or question. "Er...could I...er...pay...er...my bill please?"
Tina I think you should post your answer. I for one agree with it.
I take Tony's point about grammatical exercises but don't see any purpose in designing exercises to help people learn phrases that aren't used.
If this is a purely grammatical exercise, then OK; but in any 'real' language situation, the question is likely to be formatted in a more natural way depending on the context in which the expression arises (as hinted at in the suggestion by Eski)
The translation workplace 
peer agreement (net): +7