The PPT worksheet is focused on identifying the difference in use between the question words “What” and “How”. The students study the grammar reference, look at the examples, and apply their knowledge in the practice section. The practice contains multiple choice exercises, grammar correction, a gap-fill exercise as well as a speaking practice using pictures. The presentation is suitable for teenage and adult ESL students and can be used either in a group or for individual classes or self-study. The answer key is included.