Google Books Ngram Viewer

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

1800 - 1827 1828 - 1887 1888 - 1899 1900 - 1979 1980 - 2008 it is i who English
1800 - 1818 1819 - 1994 1995 - 1999 2000 - 2003 2004 - 2008 it is me who English
1800 - 1837 1838 - 1890 1891 - 1902 1903 - 1986 1987 - 2008 it was i who English
1800 - 1895 1896 - 1998 1999 - 2002 2003 - 2005 2006 - 2008 it was me who English

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