| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which [modal v] [be] [vb pp] | 364 |
|
| 2 | [prep] [n mass] [modal v] [be] [vb pp] | 189 |
|
| 3 | [prep] which [n mass] [modal v] [be] | 33 |
|
| 4 | which [n mass] [modal v] [be] [vb pp] | 22 |
|
