The past tense of get the wrong end of the stick about is got the wrong end of the stick about.

The third-person singular simple present indicative form of get the wrong end of the stick about is gets the wrong end of the stick about.

The present participle of get the wrong end of the stick about is getting the wrong end of the stick about.

The past participle of get the wrong end of the stick about is got the wrong end of the stick about.