| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] could n't be | 29 |
|
| 2 | [adj] could n't be | 29 |
|
| 3 | [det] could n't be | 27 |
|
| 4 | this could n't be | 19 |
|
| 5 | this could n't be | 19 |
|
| 6 | that could n't be | 7 |
|
| 7 | that could n't be | 7 |
|
