1. Introduction
The term "gapping" was coined by Robert Ross (1967, 1970). According to Jackendoff (1971), the process of gapping, which differs from elliptical phenomena such as vp-ellipsis, ellipsis in np, and sluicing, has the following properties (cf. Lobeck 1995):
1. a. A gap must be flanked by lexical material;
b. A gap must occur in a coordinate, but not subordinate clause;
c. A gap cannot precede …