Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  
Search in Google Books:

1800 - 1821 1822 - 1886 1887 - 1898 1899 - 1936 1937 - 1950 have got English
1800 - 1809 1810 - 1840 1841 - 1848 1849 - 1922 1923 - 1950 have gotten English
1800 - 1820 1821 - 1885 1886 - 1897 1898 - 1936 1937 - 1950 has got English
1800 - 1810 1811 - 1834 1835 - 1844 1845 - 1927 1928 - 1950 has gotten English
1800 - 1820 1821 - 1912 1913 - 1925 1926 - 1937 1938 - 1950 had got English
1800 - 1809 1810 - 1819 1820 - 1828 1829 - 1922 1923 - 1950 had gotten English

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