| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [vb pp] [prep] [be] | 1029 |
|
| 2 | which [vb base] [vb pp] [prep] | 459 |
|
| 3 | which [vb base] [prep] [be] | 451 |
|
