[1]
It's extremely important to distinguish cleft sentences from
pseudo-cleft sentences.
Instances of
cleavage have IT in front; instances of pseudo-cleavage
have WHAT in front.
From: Zwicky, Salus, Binnick and Vanek (eds.),
Studies Out In Left Field:
Defamatory Essays Presented to James D.
McCawley
On the Occasion of His 33rd or 34th Birthday.
1971. Edmonton: Linguistic Research, Inc.
Reprinted 1992 by John Benjamins