There is an option to specify that you are married and select accompanying spouse "No". That would come with better score (may be 10-15 points plus based on you age, language score, qualification and experience). But, family sponsorship takes a long time.. sometimes years so it may be difficult to bring your family later.
Somewhere I read about Open Work Permit which can be applied for family member of a person who has been granted PR but I am not very sure how it workst. So, if that is the case you might consider researching on Open Work Permit option for family member -->
http://www.cic.gc.ca/english/helpcentre/answer.asp?q=177&t=17
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1. You are already working in Canada and your application for permanent residence has been approved under one of the following :
Spouse or Common-law Partner in Canada class
Live-in Caregiver Program
Federal Skilled Worker Program
Canadian Experience Class
Provincial Nominee Program
Federal Skilled Trades Program
humanitarian and compassionate grounds
You may also be eligible if you are a family member of someone whose application for permanent residence has been approved under one of the above
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