| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [pers pn] [adv] [verb] | 39 |
|
| 2 | not [pers pn] [prep] [adv] [verb] | 16 |
|
| 3 | could not [pers pn] [prep] [adv] | 6 |
|
