| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [be] [verb] [prep] [be] | 509 |
|
| 2 | which could [be] [verb] [prep] | 506 |
|
| 3 | could [be] [verb] [prep] [be] | 152 |
|
| 4 | which could [verb] [prep] [be] | 5 |
|
