Teaching points:

1. To compare the use of indefinite articles with certain letters depending on whether those letters are pronounced as such (e.g., "an NHL executive") or are at the beginning of a word or an acronym (e.g. "a NATO officer").

2. To explode the myth that all words that begin with a vowel (i.e., a, e, i, o, u) take the indefinite article (e.g., "a European orange").

Note: The Czech language has no articles, so the whole concept makes the heads of Czech students explode.

Teaching point: To illustrate the use of comment adverbs (e.g., sadly, unfortunately, frankly, etc.).

Note: The controversy over head transplants continues.

Teaching point: To illustrate the different verb tenses used in English to talk about the future.

Note: I was quite proud of the fact that I ad libbed the intro in one take, but then my camera operator tried to get cute at the end. She thought that by moving the camera in circles, she could create some sort of time-warp effect, sort of like Wayne and Garth running their fingers in front of their faces. Or something like that.