I work in my current job since 2017 and I’m really happy here.
*I’ve worked / I’ve been working* in my current job since 2017 and I’m really happy here.
This time next week, I’ll have been flying to Bali! I can’t wait to be out of here!
This time next week, *I’ll be flying* to Bali! I can’t wait to be out of here!
Rarely I go to the gym, it’s too boring for me. I prefer to work out at home.
*Rarely do I go* to the gym, it’s too boring for me. I prefer to work out at home.