| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [verb] [pn reflx] [prep] [art] | 25 |
|
| 2 | could [not/n't] [verb] [pron] of [art] | 10 |
|
| 3 | [modal v] [not/n't] [verb] [pn reflx] of [art] | 9 |
|
| 4 | could [adv] [verb] [pn reflx] of [art] | 8 |
|
