| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [not/n't] [verb] | 14316 |
|
| 2 | [pron] could [verb] i | 519 |
|
| 3 | could [not/n't] [verb] i | 147 |
|
| 4 | [pron] [not/n't] [verb] i | 57 |
|
| 5 | [pron] could [not/n't] i | 13 |
|
