Example sentences of "why have [pron] not [verb] " in BNC.

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1 If the Universe is teeming with technological civilizations , why have they not come to visit us ?
2 At the very least , why have we not picked up traces of their domestic radio and television ?
3 Now why have we not had an inquiry which will bring out what happened in the case of B C C I so we can base proper and effective regulation er on that er in i in in in in inquiry .
4 Why have you not asked me for tools , instead of breaking your finger-nails and your heart on firewood and trash ? ’
5 Why have you not done so ?
6 " Why have you not turned up to cook my tea ? " he demanded .
7 ‘ Then why have you not spoken out and accused him ? ’ demanded Hotspur warmly .
8 Why have you not got ?
9 Why have you not rung me , Carlo ? ’
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