| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could n't [adv] [verb] | 846 |
|
| 2 | n't [pers pn] [adv] [verb] | 707 |
|
| 3 | could [pers pn] [adv] [verb] | 682 |
|
| 4 | could n't [pers pn] [verb] | 329 |
|
| 5 | could n't [pers pn] [adv] | 47 |
|
