Google Books Ngram Viewer

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

1800 - 1840 1841 - 1944 1945 - 1959 1960 - 1977 1978 - 2008 he need not English
1800 - 1807 1808 - 1814 1815 - 1845 1846 - 1929 1930 - 2008 he needs not English
1800 - 1873 1874 - 1955 1956 - 1967 1968 - 1996 1997 - 2008 he does not need to English

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