No. The workbook references specific grammar explanations and vocabulary lists from the textbook. Using them separately is frustrating.
: The "structure-scenario-function" framework means students learn by "doing"—ordering food, asking for directions, or discussing past and future events. Workbook Structure & Content Boya Chinese Elementary 2 Workbook Pdf
If you're looking for alternative learning materials, I can also suggest some online resources, such as: asking for directions