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But soon I found out that it is just a set of texts and I need another program to operate them. So I downloaded free demoversions of two such programms from: athelstan WordSmith Tools
But the formats seem to mismatch. I convert the corpuses into formats of Moncoc pro or Wordsmith, but they can't work.
It is interesting, of course. But I'd like to try off-line version too. In the section "Software" they mention a lot of programmes. Maybe I will be able to cope with them.
American National Corpus 
Linear Mode
