Would you explain it in more detail

The surgeon persuaded him to undergo an organ transplant

In the official question collection it is explained as being "passive voice of the present continuous tense"

In particular, it is customary for actual examples of use of the harmonic mean to generally cover "average speed," and explain no further than that

Corporate governance and accountability are being strengthened

Uh-oh, here comes another lecture. This guy likes to show he has something to say about everything

The irreligious scoffed at the bishop's interpretation

During the Middle Ages, astronomers had clung to the theory of a Greek philosopher

Nothing would persuade him