Most often one clause negates, qualifies, or somehow limits the other. We don't typically code the individual verb categories in multiverb utterances. However, if you do find infrequent occurrences of any single verb category after doing your main analysis, you could check back through the multiverb utterances and fill in any categories as necessary. She can't dribble, but she shoots well.
First clause indicates something negative, whereas the second clause indicates something positive.
The second clause is somewhat surprising given the information specified in the first clause.