pls help urgently

[dikshyaishere@gmail.com]

Hello everyone,
I am in a open work permit visa with my husband in canada. I would like to change my visa in to student visa. can anyone pls send me a sample letter format that we submit to the embassy as a guideline only. i need a format letter only. pls your help will be reeally appreciated. pls mail it to *** dikshyaishere@gmail.com ***