Google Books Ngram Viewer

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

1800 - 1811 1812 - 1822 1823 - 1831 1832 - 1935 1936 - 2000 believe him to be English
1800 - 1815 1816 - 1881 1882 - 1897 1898 - 1964 1965 - 2000 believe he is English
1800 - 1810 1811 - 1819 1820 - 1826 1827 - 1950 1951 - 2000 think him to be English
1800 - 1826 1827 - 1887 1888 - 1902 1903 - 1974 1975 - 2000 think he is English

Run your own experiment! Raw data is available for download here.
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