| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [pron] [vb past] [prep] [be] | 145 |
|
| 2 | which [ex0] [verb] [prep] [be] | 15 |
|
| 3 | [pron] [ex0] [vb past] [prep] [be] | 8 |
|
| 4 | which [ex0] [vb past] [prep] [be] | 6 |
|
