Answer:
1.yes, there is a shift since the first verb is a past while the second is a present one.
2.
3.
4.
1. I will study engineering and I will graduate in ten years now.
2. They moved their offices to Dubai and established a new job there.
Explanation:
I don't know if it's correct but I hope it helps you
I just watched a video about that I understand a little so
