This document discusses ways to express actions or events that were expected to happen in the future but were interrupted by something in the past. It provides examples of using phrases like "was/were going to", "was/were supposed to", and "would have" to convey this idea. It also gives examples of using "was/were on the verge of" and structures like "would verb" and "be verb-ing" to express a future plan that did not occur due to past events. The document concludes with exercises asking the reader to make sentences using clauses that illustrate interrupted future plans.