| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb mod] [be] | 9992 |
|
| 2 | which [modal v] [be] | 9992 |
|
| 3 | [pron] might [be] | 7428 |
|
| 4 | which might [be] | 477 |
|
