I just wrote a chord sequence to try to practice improvising over, and it's: Fmaj7/G - Gmaj7/A - Fadd9/Bb - Bm7add4 - B9. Does this sound like a good sequence to improv over to you?
that could sound 1000 different ways. One of the most ambiguous things about the way you wrote it is, you didn't specify the timing. you wrote 5 chords, so, am i to assume it is a 5 bar sequence? probably not, it's more likely that you are putting 2 of those chords in the same bar, but without a more specific explanation there are literally trillions of unknowns, about the way your exercise actually sounds