shook shaken
shed shed shed
shoe shod shod
sing sang sung
sit sat sat
slay slew slain
sink sank sunk
speak spoke spoken

_Name-form Past Tense Past Participle_
steal stole stolen
swim swam swum
take took taken
teach taught taught
tear tore torn
throw threw thrown
tread trod trod or trodden
wake woke or waked woke or waked
wear wore worn
weave wove woven
write wrote written

NOTES.--_Ought_ has no past participle. It may then never be used
with an auxiliary. _I had ought to go_ is incorrect. The idea would
be amply expressed by _I ought to go_.

MODEL CONJUGATIONS of the verbs _to be_ and _to see_ in all forms
are given under Sec.77 at the end of this chapter.

EXERCISE 29

_In the following sentences change the italicized verb so as to
use the past tense, and then so as to use the past participle:_

Example: (Original sentence), _The guests begin to go home._
(Changed to past tense), _The guests began to go home._
(Changed to past participle), _The guests have begun to go home._

1. Our books _lie_ on the mantel.
2. John _comes_ in and _lays_ his books on the desk.
3. I _see_ the parade.
4. He _runs_ up the road.
5. They _set_ their chairs in a row.
6. The noise _wakes_ me.
7. Caesar _bids_ him enter.
8. If they _prove_ their innocence, they should be discharged.
9. His friends _plead_ strongly for him.
10. Do you know what they _mean_ by that?
11. I _awake_ early every morning.
12. He _begins_ to think of strange things.
13. The children _beseech_ me to go with them.
14. My mother _bids_ me to say t