The bell _rings_ at seven o'clock.
31. The stag _drinks_ his fill.
32. She _sings_ sweetly.
33. Armed men _spring_ up on all sides.
34. Tom _swims_ very well indeed.
35. The vessel _sinks_ with all on board.
36. The colonel and his staff _alight_ in front of the general's tent.
37. He _lights_ the lamp with a splint.
38. On the trees a crested peacock _lights_.

EXERCISE XXXIX.

_Change these sentences so that the italicized, verbs will be either in
the perfect tense or in the passive voice:--_

1. The sleeper _awakes_.
2. The Gauls _beseech_ Caesar to be merciful.
3. The wind _blows_ my papers off the table.
4. Ethel _broke_ her arm.
5. His wrongdoing _breaks_ my heart.
6. The pressure of the water _breaks_ the pipes.
7. They _choose_ Mr. W. to be their chairman.
8. The enemy _come_ in force.
9. The boys _dive_ three times.
10. John _is driving_ the cows out of the corn.
11. The boys _are eating_ their supper.
12. An absconding cashier _flees_ to Canada.
13. A robin _flies_ to the vines by my window.
14. The Ohio river _overflows_ its banks.
15. The water in my pitcher _froze_.
16. I _forget_ his name
17. He _gets_ along fairly well.
18. They _go_ by steamer.
19. The sheriff _hangs_ the condemned man.
20. The maid _hangs_ up my cloak.
21. I _lie_ on the couch twenty minutes to rest.
22. Tramps _lie_ by the road below the gate.
23. Boys _lay_ traps for hares.
24. They _lay_ burdens on me greater than I can bear.
25. They _plead_ their cause well.
26. This _proves_ the truth of my assertion.
27. He _rides_ alone from Litchfield to Waterbury
28. A mist _rises_ before my eye.
29. I _see_ the President often.
30. I _set_ the lamp on the table.
31. He _sits_ by the hour talking politics.
32. Rab _shakes_ the little dog by the neck.
33. He _is shoeing_ my horse.
34. This fact clearly _shows_ the prisoner's guilt.
35. He _speaks_ his declamation well.
36. They _slay_ their prisoners.
37. He _stole_ my watch.
38. Some one _takes_ my hat.
39. He _throws_ cold water on my plan.
40. He _writes_ home.
41. He _wakes_ me every night by his restlessness.

NOTE.--If the teacher thinks that the class needs more drill of this kind,
Exercises XXXVIII. and XXXIX. may be reversed, that is, the verbs in
XXXVIII. may be changed to perfect or passive forms; the verbs in XXXIX.
to the past tense. If this is done, some of the sentences will have to be
slightly recast. In the next exercise drill on the same forms is cont