Sometimes, you have to figure out the missing words to understand the case of a word.
For an Informed Love of God
Bill Mounce
Chapter 4: Mark 8:27–9:8
Be sure you have done v 27 since the same odd construction occurs in this verse.
Other than some long words that are hard to pronounce, the verse is straight forward.
A good example of how sometimes the subject of the indicative verb gets placed inside a participial phrase.
This verse shows how a Greek word can tie a discussion together even when it is not visible in English. There also is an interesting construction with the article.
The single most important verse on discipleship in the Bible.
The challenge of this verse is not how to translate it but what the prophecy means.