| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] be [det] [noun] | 375 |
|
| 2 | could be [det] [noun] | 150 |
|
| 3 | could [not/n't] be [noun] | 50 |
|
| 4 | could [not/n't] be [det] | 36 |
|
| 5 | could [not/n't] [det] [noun] | 7 |
|
