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You and your friends have just arrived at a sold-out concert, but someone forgot the tickets! Express your shock and disbelief. Select ALL the grammatically correct negative questions that apply.
The correct answers are Didn't you bring the tickets?, Did you not bring the tickets?, and Why didn't you bring the tickets?
Negative questions are great for expressing surprise!
When using a contraction, the negative particle attaches to the auxiliary verb before the subject ("Didn't you bring...?").
In formal or emphatic uncontracted speech, the not must go after the subject ("Did you not bring...?"). You cannot say "Did not you".
Finally, Wh- questions still require subject-auxiliary inversion ("Why didn't you...", not "Why you didn't...").