| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [modal v] [be] [vb pp] [be] | 59 |
|
| 2 | which this [modal v] [be] [vb pp] | 48 |
|
| 3 | this [modal v] [be] [vb pp] [be] | 18 |
|
