一緒に => together N5
一度に => all at once N3
(の中)で~が一番~です => out of this group, [A] is best N5
一口に…といっても => Although in general... N2
Evaluate
にする => にする N4
一通り => Basically, (get) over, done N2
Base, base
一気に => in one go; without stopping; all at once; immediately; instantly; right away ~ N2
一方だ => more and more; continue to ~ N2
一応 => more or less; pretty much; roughly; tentatively ~ N2
一体 => …the heck; …in the world; …on earth N3
にV-ます => Frequency N5
Repetition, habit
さすがに => understandably N2
Base, base