Can you do labeling and tai chi?
Im doing mahasi style meditaiton with labeling - is it possible to do thai-chi and this type of noting ? should it be just "moving moving moving" non stop ?


Of course. Noting can (and should) be applied to all mental and bodily activity.

But do not use "moving, moving" for all movements. As in walking meditation we use both lifting, moving, placing, touching. You can use similar noting in Tai Chi, e.g. moving, turning, lifting, pushing, pulling etc.

Keep it simple.

Btw - Tai Chi is great. I teach it to my coworkers 2 times a week followed by sitting meditation. I too note movements when doing it.