The Present Perfect and the Future Simple

This is the four hundredth episode now. So from the past up to now, we have done 400 shows. That's a lot of shows, isn't it? I'm using there the present perfect because, as i said, it's from the pastup to now. And we use the present perfect for that cause we have donepresent perfect. We can also go to the future and use the future perfect to speak in a very similar way, but not from the past until now, but from now until the future. This time next year we will have done 452 podcasts. You see that so many will be finished. Thewill already been finished. At that time on the future