—— pres. perf. and hist. perf. distinguished, [237], 1 and 2;

—— gnomic perf., [262], 1;

—— perf. subjv. as historical tense, [268], 6 and 7, b;

—— perf. inf. w. oportuit, [270], 2;

—— perf. prohibitive, [279], a;

—— perf. potential, [280], 1 and 2;

—— perf. concessive, [278];

—— sequence of tenses after perf. inf., [268], 2.

Periodic structure, [351], 5.

Periphrastic conj., [115]; [269], 3;