| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [verb] | 40184 |
|
| 2 | this [vb past] [verb] | 721 |
|
| 3 | this [vb past] [been] | 330 |
|
| 4 | this [been] [verb] | 20 |
|
