You can try it. You can say that she will wait for your PR with you and if you are refused, she will leave with you. If they are convinced she will leave at the end of her work permit if you don't get PR, they might give her a work permit.
LEON,how do i go saying this?do i include a letter in my wife's application?what about supporting documents,i submitted everything to PR application except passport,will they consider photocopies of docs?