Run following Logos Morphology search in Bible Search:
<lemma = lbs/el/εἰμί> ANDEQUAL <lbs-morph+el ~ VPAI3S??>
OpenText: 1794 in 815 verses
NA27: 897 in 815 verses
Yet both give the same results for:
<lbs-morph+el ~ VPAI3S??> ==> 2271 / 1757
<lemma = lbs/el/εἰμί> ==> 2462 / 2098
<lemma = lbs/el/εἰμί> AND <lbs-morph+el ~ VPAI3S??> ==> 2469 / 966