You don’t need to choose the right tense. You need to finish the sentence.

A client told me this once: “I lose two seconds every time I decide between I work and I am working. Two seconds doesn’t sound like much. In a meeting, two seconds is a pause.“

He was right. Both forms work. Colleagues understand either one. The form you choose matters far less than finishing the thought.

The hesitation costs more than the “wrong” form ever would.

Quick win: Next time that moment of doubt arrives, say whichever comes first and keep going. Nobody in the room is keeping score.