[citation needed] Predominant chords may lead to secondary dominants.
[5] Thus they lack the stability of the tonic and the drive towards resolution of the dominant.
[6] The submediant (vi) may be considered a predominant chord or a tonic substitute.
In sonata form, the dominant preparation is in the development, immediately preceding the recapitulation.
Ludwig van Beethoven's sonata-form works generally have extensive dominant preparation — for example, in the first movement of the Sonata Pathétique, the dominant preparation lasts for 29 measures (mm.