| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been [prep] | 4108 |
|
| 2 | [verb] been before | 81 |
|
| 3 | [vb past] be before | 57 |
|
| 4 | [vb past] [be] before | 57 |
|
| 5 | [vb past] [been] before | 57 |
|
