| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [adv] [be] [conj] | 62 |
|
| 2 | [pron] [modal v] n't [be] [conj] | 59 |
|
| 3 | [pron] could [not/n't] [be] [conj] | 12 |
|
| 4 | [pron] could not [be] [conj] | 12 |
|
| 5 | [pron] could n't [be] [conj] | 10 |
|
