Google Books Ngram Viewer

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

1800 - 1819 1820 - 1892 1893 - 1903 1904 - 1931 1932 - 1950 have got English
1800 - 1815 1816 - 1919 1920 - 1930 1931 - 1941 1942 - 1950 have gotten English
1800 - 1819 1820 - 1882 1883 - 1893 1894 - 1932 1933 - 1950 has got English
1800 - 1821 1822 - 1920 1921 - 1930 1931 - 1941 1942 - 1950 has gotten English
1800 - 1815 1816 - 1891 1892 - 1904 1905 - 1934 1935 - 1950 had got English
1800 - 1812 1813 - 1824 1825 - 1882 1883 - 1941 1942 - 1950 had gotten English

Run your own experiment! Raw data is available for download here.
© 2013 Google - Privacy & Terms - About Google - About Google Books - About Ngram Viewer