| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [be] [verb] [prep] | 11129 |
|
| 2 | which [be] [vb pp] [prep] | 10476 |
|
| 3 | [pron] [be] used [prep] | 905 |
|
| 4 | which [be] used [prep] | 280 |
|
| 5 | which [be] use [prep] | 280 |
|
