Question

The __________ is used for an event that has been completed before the present moment in time.

simple past
past perfect
perfect progressive
past perfect progressive

Answer 1

The correct answer is simple past. Progressives are used for an ongoing event while past perfect is used to describe an event that happened before another event in the past.

Answer 2

Answer;
The simple past is used for an event that has been completed before the present moment in time.

Step-by-step explanation;
Simple past is used to express the idea that an action started and finished at a specific time in the past. Sometimes, the speaker may not actually mention the specific time, but they do have one specific time in mind. For example, walked, studied, etc.