Your spouse can sponsor you (Family Class). You have been in Canada for 1.5 years even if it was common law, he should have been able to sponsor you 6 months ago. You can try reading the guide to sponsor spouse/partner/dependent child on the CIC website.
http://www.cic.gc.ca/english/information/applications/spouse.asp
https://www.canada.ca/en/immigratio...-guide-sponsor-your-spouse-partner-child.html
You can also go through several threads on spousal/common law partner sponsorship (inland/outland) on this forum
https://www.canadavisa.com/canada-immigration-discussion-board/threads/spousal-sponsorship.46995/
https://www.canadavisa.com/canada-i...r-visa-expired-but-married-in-ontario.616383/
https://www.canadavisa.com/canada-i...oard/forums/family-class-sponsorship.5/page-2
You can decide to stay and apply for restoration with an intent to apply for PR in Canada Class (inland) as explained by K.H.P. Once your status is restored you can also apply for an OWP. You can also decide to leave Canada and h apply for PR (outland)
Believe they are married.