Datapoint Gullah/Aspect change in verb chains

I constructed the following sentence and presented it to a native speaker. It was judged to be ungrammatical.

*I done lef da walk to the store, but dog done bark till I get back.
[I PFV leave PROG walk to the store but dog PFV bark until I got back]

Values

Aspect change in verb chains is not possible

Confidence:
Intermediate