Three letter rule poets such as John Milton alternated between short and long forms for function words, depending on whether they occurred on or off the meter. For instance: While many function words have more than two letters ("and", "she", "were", "therefore", etc.), the exceptions to the rule are rather two-letter content words. Only a few of these occur commonly in most texts: the words "go" (which also has a functional usage in the idiom "going to do something"), "ox" and, especially in American texts, "ax". English grammar is relatively flexible about converting words of one class to another, allowing verbal uses such
CAN-CON (convention) who came to CAN•CON and signed deals with many Canadian science fiction and fantasy writers. Of this he said, "I did more business at CAN•CON than I did at Worldcon". This informal access to large numbers of Canadian writers enabled him to spearhead TOR's Canadian publishing initiative. CAN-CON has had some of the most diverse programming SF conventions have ever had, while retaining a focus on Canada, its writing environment, and uniqueness. It has also hosted events such as book launches, Canvention with its Prix Aurora Awards, the Boréal Congress, a private label CAN-CON Wine, Virtual Reality gaming, and Co-Hosting