[*] 438. The Subjunctive in general expresses the verbal idea with some modification1 such as is expressed in English by auxiliaries, by the infinitive, or by the rare subjunctive (§ 157. b). [*] a. The Subjunctive is used independently to express—
- An Exhortation or Command (Hortatory Subjunctive: § 439).
- A Concession (Concessive Subjunctive: § 440).
- A Wish (Optative Subjunctive:§ 441).
- A Question of Doubt etc. (Deliberative Subjunctive: § 444).
- A Possibility or Contingency (Potential Subjunctive: § 446).
- Condition: future or contrary to fact (§§ 516. b, c, 517).
- Purpose (Final, § 531).
- Characteristic (§ 535).
- Result (Consecutive, § 537).
- Time (Temporal, § 546).
- Indirect Question (§ 574).