Warning: This guide is not for the faint of heart. De-transitive tenses are the grammatical equivalents of dark magic. They will confuse, they will bewilder, and they will drive you to madness.
A de-transitive tense is a grammatical construct that defies explanation. It's like a linguistic black hole that sucks in all the surrounding words and spits out a sentence that makes no sense.
For example, consider the following sentence:
The cat, who was being chased by the dog, was eaten by the elephant.
At first glance, it looks like a simple past perfect construction. But no! This is a de-transitive tense, my friends. It's a sentence that's been put through a grammar wringer and comes out the other side, mangled and confused.
There are many varieties of de-transitive tenses, each more mind-bending than the last: