| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which it [be] [vb pp] | 1092 |
|
| 2 | on which it [be] | 140 |
|
| 3 | on which [be] [vb pp] | 59 |
|
| 4 | on it [be] [vb pp] | 27 |
|
