| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [pron] be [verb] | 10 |
|
| 2 | could not [pron] be [verb] | 9 |
|
| 3 | could n't [pron] be [verb] | 8 |
|
| 4 | could not [pers pn] be [verb] | 7 |
|
| 5 | could not [pron] be [vb pp] | 6 |
|
