YOU SAID:

How often do you do stuff?

INTO JAPANESE

どのくらいの頻度かのものを行うか?

BACK INTO ENGLISH

How often do things to do?

INTO JAPANESE

やることはどのくらいの頻度か。

BACK INTO ENGLISH

How often do?

INTO JAPANESE

どのくらいの頻度ですか。

BACK INTO ENGLISH

How often do.

INTO JAPANESE

どのように頻繁に行います。

BACK INTO ENGLISH

How often do.