The following search patterns are used in Biber's MF/MD. They are not exhaustive, but can find typical contexts of non-phrasal coordination in CLAWS (C7) tagged data (in the format of word_tag) using WordSmith 3.0:
a) ,_, AND_CC IT_P*/,_, AND_CC SO_*/,_, AND_CC THEN_*/,_, AND_CC YOU_PPY* b) ,_, AND_CC YOU_PPY/,_, AND_CC THERE_EX *_VB* c) ,_, AND_CC TH*_DD1/,_, AND_CC TH*_DD2/,_, AND_CC *_PP?S*