| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] [prep] | 7289 |
|
| 2 | be [verb] [prep] [be] | 1912 |
|
| 3 | could [verb] [prep] [be] | 269 |
|
| 4 | could be [verb] [be] | 73 |
|
