578. Classification 459 579. Time and tense 461 Present 461 Aorist 461 Future 461 Imperfect 462 Perfect 462 {xxxix} Pluperfect 462 Future present 462 Future praeterite 462 Emphatic tenses 463 Predictive future 463 Promissive future 463 580. _Historic_ present 463 581. Use of perfect for present 464 582, 583. Varieties of tense 465 Continuance 465 Habit 466 584. Inference of continuance 466 Inference of contrast 467 585. _Have_ with a participle 467 586. _I am to speak_ 469 587. _I am to blame_ 469 588. _Shall_ and _will_ 469 589. Archdeacon Hare's theory 470 590. Mr. De Morgan's theory 472 591. _I am beaten_ 474 592, 593. Present use of _ought, &c._ 475 CHAPTER XXIV. THE SYNTAX OF ADVERBS. 594. The syntax of adverbs simple 477 595. _Full_ for _fully, &c._ 477 596. The termination _-ly_ 477 597. _To sleep the sleep of the righteous_ 478 598. From _whence, &c._ 478 CHAPTER XXV. ON PREPOSITIONS. 599. All prepositions govern cases 479 600, 601. None, in English, govern genitives 479 602. Dative case after prepositions 481 603. From _to die_ 481 604. For _to go_ 481 605. No prepositions in composition 481 {xl} CHAPTER XXVI. ON CONJUNCTIONS.