The basic idea is that the speakers often used the present perfect in place of the simple past. Here is an example from the research, a short part of a radio broadcast on Triple J radio Sydney.
KUG29Jm. Do you ever use the PAST PERFECT TENSE (“I had worked”)? Do you know this advanced tense can help you talk about the past in a special way? In this English g
The present perfect is formed with subject + have + past participle. "I am wet and dirty" doesn't use a participle. It can't be the present perfect. So I'm wet is the simple present, I've fallen is the present perfect, and I'd fallen is the past perfect. I'm wet doesn't talk about the past, it talks about the current state. We can use the past simple when one action comes immediately after another. He did the washing and then he cleaned the windows. We use the past perfect with the past simple to give a reason for a situation. We use the past simple for the situation, and we use because + past perfect for the reason. I was happy (the situation) because I'd got