In short, in consciousness-raising, learners are required to notice a certain feature of
language (that is, sentence patterns), but there is no requirement to produce or
communicate the certain sentence patterns taught.
To summarize, practice is directed at the acquisition of implicit knowledge of a
grammatical structure. That is the sort of tacit knowledge required for applying the
structure effortlessly for communication. Consciousness-raising is geared for the
formation of explicit knowledge: the kind of intellectual knowledge which we are able
to gather about any subject (Ellis, 2002).