| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [verb] | 40184 |
|
| 2 | [vb past] [verb] on | 4606 |
|
| 3 | [been] [verb] on | 3640 |
|
| 4 | [vb past] [been] on | 466 |
|
