[14] Imperfect of the indicative: je déchoyais, &c.
[15] Used generally in the third person only.
[16] Il fallait is used. No imperative.
[17] Je peux is also used. No imperative.
[18] Only used in the infinitive, in the compound tenses, and in the imperfect of the subjunctive.
[19] Used in the infinitive only.
[20] Imperative: sache, sachons, sachez. Je ne sache is rhetorically used in the first person of the indicative present. Ex.: “Je ne sache rien de plus grand et de plus beau” (V. Hugo). The imperfect of the indicative is je savais, &c.
[21] Used in the third person only. No compound tenses.
[22] Used in the two participles only.
[23] No imperative.