| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could n't [pron] [adv] | 51 |
|
| 2 | could n't [pers pn] [adv] | 47 |
|
| 3 | [modal v] n't he [adv] | 15 |
|
| 4 | could n't he [adv] | 8 |
|
| 5 | could not he [adv] | 8 |
|
| 6 | could [adv] he [adv] | 8 |
|
| 7 | could [not/n't] he [adv] | 8 |
|
