http://www.englishforums.com/search/pro.htm?q=tag%3aPrefixes+tag%3aGerunds&tag=Prefixes,Gerunds&orTags=0Search results for 'tag:Prefixes tag:Gerunds' matching tags 'Prefixes' and 'Gerunds'en-USCSMOD (Build: 3161.22795)http://www.englishforums.com/English/WordBuilding/vbcrq/post.htm#339591Thu, 15 Mar 2007 14:47:49 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:339591khoffMiles -- I don't mean to be too discouraging, but "performaly" is not a word.  I'm not even sure what an adjective form of a verb would be, unless you mean somehing like "a performing bear," in which case you would use the gerund.  Not all parts of speech can be turned into other parts of speech by means of prefixes and suffixes.  And what are "negative adjectives" and "negative adverbs"?