If you want to work on a plain text format of BNC (without any tags), you may want to try the slim version of BNC.
Have a look at this tool:
BET-MBNC - Canare Slim BNC Extraction Tool
http://www.sjmediasystem.com/bet-mbnc.html
Detagging Tool
http://forum.corpus4u.org/showthread.php?t=2059&highlight=remove
How to remove the error tags in CLEC?
http://forum.corpus4u.org/showthread.php?t=1827&highlight=remove
How to remove tags at one go?
http://forum.corpus4u.org/showthread.php?t=784&highlight=remove
How to ignore all the tags in CLEC?
http://forum.corpus4u.org/showthread.php?t=875&highlight=remove
如何去掉标记部分的内容?Tag removal : remove tags
http://forum.corpus4u.org/showthread.php?t=910&highlight=remove
如何将BNC语料中POS tag去掉并存为.txt格式?有程序下载哦!
http://forum.corpus4u.org/showthread.php?t=1368&highlight=remove
如何去除中英混合文本中的中文或英文?
http://forum.corpus4u.org/showthread.php?t=908&highlight=remove
如何删去语料库中的标注信息和附码信息
http://forum.corpus4u.org/showthread.php?t=1088&highlight=remove
Detagging小工具
http://forum.corpus4u.org/showthread.php?t=2055&highlight=detagging
已经全部修改了,测试都正常,请再试。