The structure of the Invention no. 14 is similar to a fugue with presentations of the subject connected by episodes.
| Subject presentation or exposition | Measures 1 to 4 | B flat major |
| Episode | Measures 4 to 6 | Modulates to F major |
| Subject presentation | Measures 6 to 9 | F major |
| Episodes | Measures 9 to 16 | Back to Bb major |
| Subject presentation and coda | Measures 16 to 20 | B flat major |
| Complete Invention | ||
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