https://corpus.byu.edu/bnc/?c=bnc
The British National Corpus (BNC) was originally created by Oxford University press in the 1980s - early 1990s, and it contains 100 million words of text texts from a wide range of genres (e.g. spoken, fiction, magazines, newspapers, and academic).
The BNC is related to many other corpora of English that we have created, which offer unparalleled insight into variation in English.