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I'ven't, you'ven't, he'sn't, she'sn't, we'ven't, and (anticipatorily) they'ven't and one'sn't. These look like the results of bad scans of books. Equinox 22:51, 30 December 2008 (UTC)
and you forgot
nor the archaisms
*thou’stn’t and *ye’ven’t.
— All visible, so they cannot be explained away as scannos. The three inextant forms are telling; this phænomenon is restricted to informal and dialectal forms of English.
† ﴾(u):Raifʻhār (t):Doremítzwr﴿ 16:40, 31 December 2008 (UTC)
- Okay then; striking. Equinox ◑ 00:11, 13 May 2009 (UTC)