| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [not/n't] | 17946 |
|
| 2 | could [not/n't] believe | 714 |
|
| 3 | [pron] could believe | 60 |
|
| 4 | [pron] [not/n't] believe | 7 |
|
