| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [prep] | 143125 |
|
| 2 | could [be] [verb] | 15987 |
|
| 3 | could [verb] [prep] | 9783 |
|
| 4 | could [be] [prep] | 912 |
|
