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<iframe name="ngram_chart" src="https://books.google.com/ngrams/interactive_chart?content=future+history,present+history,alternate+history&year_start=1700&year_end=2000&corpus=15&smoothing=3&share=&direct_url=t1;,future%20history;,c0;.t1;,present%20history;,c0;.t1;,alternate%20history;,c0" 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
Arithmetic compositions
(color /(color + colour))
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I want:eng_2019, I want:eng_2009
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1700
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2000
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English (2012)
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English
2012
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future history
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1700 - 1807
1808 - 1849
1850 - 1860
1861 - 1956
1957 - 2000
English
present history
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1700 - 1763
1764 - 1788
1789 - 1801
1802 - 1941
1942 - 2000
English
alternate history
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1700 - 1972
1973 - 1996
1997 - 1998
1999
2000
English