Expanding Sentences ActivityTeach how to expand sentences using details using this Boom Cards Activity. Extending sentences helps to build language skills by fostering sentence structure comprehension and expression. Practice stretching sentences by adding phrases/clauses that address wh-questions: what, who, where, when, why, and how. There are two cards with 3 practice items for each of the "wh" and how questions. This multi-functional resource can also be used to address auxiliary is/was