| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not be [verb] [prep] | 6726 |
|
| 2 | could [adv] be [verb] [prep] | 2228 |
|
| 3 | could not be [verb] [prep] | 894 |
|
| 4 | could not be [verb] [prep] | 894 |
|
| 5 | could not [be] [verb] [prep] | 894 |
|
| 6 | could not [be] [verb] [prep] | 894 |
|
