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<iframe name="ngram_chart" src="https://books.google.com/ngrams/interactive_chart?content=Why+do+you+not,+Why+do+not+you,+Why+don+'+t+you&year_start=1600&year_end=1880&corpus=0&smoothing=20" width=900 height=500 marginwidth=0 marginheight=0 hspace=0 vspace=0 frameborder=0 scrolling=no></iframe>
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Part-of-speech tags
cook_VERB, _DET_ President _PROPN_
Wildcards
King of *, best *_NOUN
Inflections
shook_INF drive_VERB_INF
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(color /(color + colour))
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1600
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1880
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English (2009)
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English
2009
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why do you not
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1600 - 1667
1668 - 1674
1675 - 1825
1826 - 1871
1872 - 1880
English
why do not you
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1600 - 1710
1711 - 1759
1760 - 1770
1771 - 1864
1865 - 1880
English
why don ' t you
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1600 - 1651
1652 - 1861
1862 - 1868
1869 - 1874
1875 - 1880
English