Bellie,
Once you are past 36 months from receipt of your application, try making a case specific enquiry at the CIC website.
....dmp-portal.cic.gc.ca/enquiries-renseignements/canada-case-cas-eng.aspx
Also, have you made an ATIP request recently?
.....atip-aiprp.apps.gc.ca/atip/welcome.do...