| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] be [verb] [prep] [be] | 618 |
|
| 2 | [det] could be [verb] [prep] | 405 |
|
| 3 | could be [verb] [prep] [be] | 152 |
|
| 4 | [det] could [verb] [prep] [be] | 5 |
|
