Is "ਮਾਫ਼ ਕਰੀਓ" and inflected form of "ਮਾਫ਼ ਕਰਨਾ"? 
"ਮਾਫ਼ ਕਰਨਾ" is listed in my ਪੰਜਾਬੀ kosh as a verb meaning to pardon, to excuse, etc.. 
I am not able to find "ਮਾਫ਼ ਕਰੀਓ". So, is "ਮਾਫ਼ ਕਰੀਓ" an inflected form of "ਮਾਫ਼ ਕਰਨਾ"? 
If it is, how is student of ਪੰਜਾਬੀ supposed to know this...