Blêmir is a french second group verb. So it follow the regular conjugation pattern of the second group like: 
finir. Follow this link to see all the endings of the conjugation of the second group verbs : 
conjugation rules and endings for the second group verbs.
																												
																												Blêmir is conjugated the same way that verbs that end in : 
-ir.
																												The prototypical verb for the second conjugation is 
finir. The conjugation is, marked by the vowel 
i and the infix 
-iss- in the indicative present and imperfect.