| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [prep] | 4108 |
|
| 2 | [vb past] [prep] this | 2373 |
|
| 3 | [been] [prep] this | 237 |
|
| 4 | [vb past] [been] this | 13 |
|
