Thus it was necessary that earthly copies of the heavenly realities be (katharizesthai | καθαρίζεσθαι | pres pass inf ) purified (katharizesthai | καθαρίζεσθαι | pres pass inf ) by these rites, but the heavenly realities themselves with better sacrifices than these.
Reference
Hebrews 9:23
Sequence
26