Step One: Language Structures Terms: 1. the present perfect progressive indicating a finished action 2. the past progressive indicating a circumstance and the simple past indicating a past event 3. the past perfect progressive 4. The /was wondering if. pattern as a polite form of requestStep One: Language Structures • Terms: 1. the present perfect progressive indicating a finished action 2. the past progressive indicating a circumstance and the simple past indicating a past event 3. the past perfect progressive 4. The I was wondering if… pattern as a polite form of request