| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could n't [be] in | 7 |
|
| 2 | [pers pn] could n't [be] in | 7 |
|
| 3 | could n't [be] [verb] in | 16 |
|
| 4 | could n't [be] [vb pp] in | 13 |
|
