There are some rules to help you remember. This chart always helps my students. ir - used before r - irrelevant, irresponsible il - used before l - illicit, illogical, illegal im - used before p,b,m - imperfect, impossible, immoral, in

i have no clue im trying to figure out the same thing so if u find out tell me and if i find out ill tell u! ~cupcake Princess

I like to use "un" when it refers to something completely opposite to itself. I use "dis" when there is still a degree of the word existing. For example: I will refer my belief in a Great Spirit yet there are times when I am in

is semantic, not phonologically driven. Also these prefixes were most likely separate words

I don't know of a very complete list, however there is a book called 501 English verbs that gives 501 of the most common verbs and their tenses. I think you can get a CD of it. Other than that you might just look for a dictionary that lists the

Just so you don't think you're being ignored-- I can't imagine such a list having been composed, unless by someone working on a program similar to your own. It does not seem like a profitable exercise otherwise.

Also try www.kent.k12.wa.us/ksd/MA/resources/greek_and_latin_roots/transition.html www.prefixsuffix.com

Try www.etymonline.com

http://www.edict.com.hk/textanalyser/

You are very welcome. Her language difficulties unfortunately do not lead to high college entrance exam schools, but we find them utterly charming. It occurs to me that the famous Colbert "truthiness" might also be the kind of thing you